          # representative fraction is the ratio of

The ratio of soap to salt is three times this ratio. A ratio or representative fraction using ratios to measure and calculate distances 2. The left side of the ratio is the numerator, and the right side is the denominator. we are able to use the representative fraction of the scale to calculate real distances between locations based on the distance they are from each other on a map. A ratio is often converted to a fraction when it is expressed as a ratio to the whole. Answer to What is the representative fraction or ratio of 4 miles to 2 inches? Add this to your ratio table: The units will be listed on the map, such as 1 inch or 1 centimeter. Dictionary of Military and Associated Terms. A ratio shows how much of one thing there is compared to another. A word statement that states the conversion of base units and is also a description of a map distance 3. Representative fractions are expressed in the form of 1 followed by a : (colon) and then a number, where the one is the numerator in the fraction, the colon represents the division operation, and the other number is the denominator. Resort to the help of this amazing ratio calculator when you have you settle ratio/proportion problems and check equivalent fractions. The fraction can optionally be reduced after converting if needed. Despite the fact that you cannot enter a ratio of 4/5 into this calculator, it accepts values such as 4:5, for example, 4/3 should be written as 4:3. To calculate this, we take the ratio, convert it to a fraction, and then perform the arithmetic: 3:2 = 3/2. The ratio represents the number that needs to be multiplied by the denominator in order to yield the numerator. A representative fraction is the ratio of the unit of measurement on a map to its equivalent measurement on actual ground. RATIO or REPRESENTATIVE SCALE A ratio or representative fraction (RF) indicates how many units on the earth's surface is equal to one unit on the map. As shown above, ratios are often expressed as two numbers separated by a colon. We could say that the ratio of apples to fruit, once again, it could be 2 to 5 like that. The most important point to be noted in this connection is that the unit of measurement of distances in numerator and … The second distinct concept of scale applies to the variation in scale across a map. L hydrogène (H) (masse atomique standard: 1,00782504(7) u) possède trois isotopes naturels, parfois… …   Wikipédia en Français, Isotopes de l'hélium — L hélium (He) (masse atomique standard: 4,002602(2) u) possède huit isotopes connus, mais seulement deux sont stables, l hélium 3 (3He) et l hélium 4 (4He). The simplified or reduced ratio "3 to 4" tells us only that, for every three men, there are four women. A fraction is a part of a whole. A representative fraction explains the mathematical relationship between any one unit on the map and the number of ground units that one unit on the map represents; for example, "1:64,000." Thus, a scale of 1:24,000 can be expressed mathematically as 1/24,000. A representative fraction (RF) is the ratio of distance on the map to distance on the ground. Enter your numerator (top) on the left and denominator (bottom) on the right. Statements #1 & #2 combined: Now, we know that when we go from the first fraction to the second fraction, the numerator decreases and the denominator increases. It may be expressed in various ways. 數字比例尺. The ratio can be expressed as 4 : 20. Alicia and her friends Brittany, Kenji, and Ellis are going to share a pizza. Interpretation Translation ﻿ representative fraction. In this case, the ratio existing between the length on the map and actual length on the ground is indicated by a fraction whose numerator is always 1. For example, in a fraction of 1 : 50,000, 1 is the numerator. See also scale …   Military dictionary, sampling fraction — ˈsampling ˌfraction noun [countable] STATISTICS the relationship between the size of a group that is chosen to take part in a study, and the size of the whole group: • Estimating the average height of adult males in the British population would… …   Financial and business terms, Development Fraction — The Development Fraction (Indonesian: Fraksi Pembangunan) was a parliamentary group in the Indonesian People s Representative Council. These scale indicators are often used on smaller scale maps and they will also appear along with other scale indicators (verbal scales or more often scale bars) on larger scale maps. In the above example, the ratio of yellow cars to all the cars on the lot is 4:12 or 1:3. 3 books / 8 pens and 6 books / 5 pens. The ratio type represents fractions exactly, a facility not available in many languages. The first choice on this dialog, “Absolute Scale”, is a representative fraction (figure 3). Representative fractions are expressed in the form of 1 followed by a : … If the scale is a representative fraction (and looks like 1/100,000), multiply the distance of the ruler by the denominator (100,000 in this case), which denotes distance in the ruler units. Many maps state the nominal scale and may even display a bar scale (sometimes merely called a 'scale') to represent it. What are synonyms for representative fraction? Continuing to use this site, you agree with this. _____red total is ___4 20 Write the fraction as an equivalent fraction in lowest terms. A fraction can be expressed as a ratio by following a few simple steps. A fraction is an example of a type of ratios. WikiMatrix. Therefore, RF scale = map distance Ground distance-That is- the top number (numerator) represents the map distance on the ground and is usually more than 1. Because an R.F. What is the meaning of representative fraction? The earliest discovered example, found by the Pythagoreans , is the ratio of the length of the diagonal d to the length of a side s of a square , which is the square root of 2 , formally a : d = 1 : 2 . An advantage of adding RFs to your map is that they are extremely easy to determine in ArcMap – simply look at the Map Scale text on the to bar menu of the ArcMap interface. Question : How much pizza will each of them receive if they divide the one complete full pizza equally ?  Members;… …   Wikipedia, Scale (map) — The scale of a map is defined as the ratio of a distance on the map to the corresponding distance on the ground. This is row three of the table above: the fraction as a whole decrease, so District #2 has a lower population to representative … When we use a fraction to represent a ratio between two, it is only a symbol. Fraction. representative fraction The scale of a map, chart, or photograph expressed as a fraction or ratio. Representative Fraction: A method of scale of a map or plan expressed as a fraction showing the ratio between a unit distance on the map or plan, and the Definition of representative fraction. Translation of Representative fraction in English. Sometimes it is helpful to provide a scale bar along with the RF to give your map readers the advantages of using both. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. It can be expressed in unit equivalents like 1 inch = 1,000 feet (or 12,000 inches) or as a dimensionless representative fraction (1/12,000) or as a dimensionless ratio (1:12,000). See also scale. : a map scale in which figures representing units (as centimeters, inches, or feet) are expressed in the form of the fraction 1/x (as 1/250,000) or of the ratio 1:x to indicate that one unit on the map represents x units (as 250,000 centimeters) on the earth's surface. (1 point) p = 2 p = 8 p = 12 p = 24 3. RFs are easy to determine and to insert in ArcMap. 1:50000 can be shown as 1/50000 as well. This system can even be used to represent fractions and mixed fractions. 3/2 * 3 = 9/2. Convictions Represent Fraction of Total Killings. The simplified or reduced ratio "3 to 4" tells us only that, for every three men, there are four women. 1 mile = 1760 yards 1 yard = 3 feet 1 foot = 12 inches. ): An R.F. To find out the RF of the current map, simply look at the Map Scale drop down on the top bar menu. OK. representative_fraction unit chart distance scale fraction ratio map. The ratio to fraction calculator finds fraction equivalents of ratio terms and reduces the fractions to simplest form. If the region of the map is small enough for the curvature of the Earth to be neglected, then the scale may be taken as a constant… …   Wikipedia, Isotopes de l'hydrogène — Le protium, l isotope le pus commun de hydrogène, constitué d un proton et d un électron. Using the Ratio Calculator. First, simplify the fraction if it is not already reduced. A representative fraction is the scale shown in a map as a ratio. The representative fraction for the map is shown along the top bar menu in ArcMap. The ratio of black marbles to red marbles is 10 : 4 or 10 to 4. b) There are 4 red marbles out of a total of 20 marbles. Data-driven trade areas with Arcade expressions. 4) Representative fraction is ratio,between _____________ - 17390762 Next, explain how your fraction describes the set: Of a whole: Almost always, fractions are written as some number of a whole group. A fraction can be defined as a “part – whole” relationship of a quantity rather than as a comparative relationship between two separate quantities. How to Convert a Fraction to a Ratio. The group consisted of ten Members of Parliament, all elected from Java. A representative ratio of 500,000:1 shown on a map means that one unit of distance in the map equals 500,000 units of distance on the territory. A simple ratio or fraction, known as the representative fraction. With ratios, the units may or may not be the same. If you use an RF with a scale bar, you should place it directly above or below the scale bar. The ratio of the Earth's size to the generating globe's size is called the nominal scale (= principal scale = representative fraction). 18 Practical Work in Geography There are at least three ways in which this relationship can be expressed. Representative fractions are a unit-less relation between one “unit” on the map and how ever many “units” of the same type on the ground. When we use a fraction to represent a ratio between two, it is only a symbol. Define representative fraction. If 1 is added to numerator and denominator respectively, the ratio of numerator to denominator is 1 : 2. Il possède une masse atomique standard de 10.811(7) u. Douze radioisotopes du bore ont été… …   Wikipédia en Français, We are using cookies for the best presentation of our site. It is not equals to the value get by division. 2. which converts back to 9:2. 1. Numerator: The number above the line in a fraction. Maharashtra State Board SSC (English Medium) 9th Standard. Representative fractions allow the amount of reduction to be easily understood, but it is harder for most people to determine specific distances on the map because distances must either be multiplied or divided by the RF. Cas unique, c est le seul isotope stable sans neutron. It can be expressed as 1/100,000 or 1:100,000. To use the fraction to ratio calculator, enter the fraction in the Fraction box in the top. Textbook Solutions 4940. Also called NATURAL SCALE, FRACTIONAL SCALE. The scale of a map, chart, or photograph expressed as a fraction or ratio. 1/4 of a mile = 63,360/4 = 15840 inches. One unit on the photo = X amount of units on the ground. For example, in a fraction of 1 : 50,000, 50,000 is the denominator. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Representative Fraction is also known as Numerical Function. It could be 2, instead of putting this little colon there we could literally write out the word to. Step One: Simply and Convert to an Improper Fraction . They can also be written as "1 to 2" or as a fraction ½. Solve the following proportion. The ratio represents the number that needs to be multiplied by the denominator in order to yield the numerator. The ratio between map or photo distance and ground distance expressed as a fraction in the same unit of measurement. The ratio of the length of the line to the total length is the fraction! 2. 1 cm on such a map equals 500,000 Cms or 5 Kms. : a map scale in which figures representing units (as centimeters, inches, or feet) are expressed in the form of the fraction 1/x (as 1/250,000) or of the ratio 1:x to indicate that one unit on the map represents x units (as 250,000 centimeters) on the earth's surface. WikiMatrix. 2. Hence, it shows how detailed a map is and how much area it covers. An RF of 1:24,000 means one inch on the map equals 24,000 inches on the ground and one centimeter on the map equals 24,000 centimeters on the ground. To insert an RF on your map, click Insert on the top bar menu, then select Scale Text. The ratio "15 to 20" refers to the absolute numbers of men and women, respectively, in the group of thirty-five people. hrw.org. representative fraction — noun : a map scale in which figures representing units (as centimeters, inches, or feet) are expressed in the form of the fraction 1/x (as 1/250,000) or of the ratio 1:x to indicate that one unit on the map represents x units (as 250,000… …   Useful english dictionary, representative fraction — mastelis statusas T sritis Gynyba apibrėžtis Linijos ilgio žemėlapyje, plane ar fotografijoje ir jos horizontaliosios projekcijos ilgio vietovėje santykis. They can also be written as "1 to 2" or as a fraction ½. Or we could say it's 2/5, the fraction 2/5, which would sometimes be read as 2 to 5. What is the definition of representative fraction? representative fraction масштаб (карти) Англійсько-український словник авіаційних термінів / Уклад. The RF has the advantage of being a unitless measure, so it is possible to apply the fraction to any unit — centimeters, inches, feet, miles, etc. Question Bank Solutions 2392. A representative fraction (RF) is the ratio of distance on the map to distance on the ground. numerical scale; representative fraction; scale pranc. Multiplying mole fraction by 100 gives mole percent, which describes the same thing as mole fraction, just in a different form. Note: three times the ratio 3:2 is NOT simply multiplying 3 to both parts of the ratio. Representative Fraction (RF) - Fractional Scale - Ratio Scale: 1:50000 represents the map scale as a mathematical ratio or fraction, thus the name ratio scale or fractional scale. Representative fraction- The ratio between the measurement on a map and the measurement on the ground, expressed in the form of 1:x where x can be, for example, 1,000, 1,000,000, 50,000 or 63,360. As with scale bars, after you select this, you can change many of its properties. The units are never implied. Glossary not to be republished ©NCERT. Math plz help me!!! atitikmenys: angl. scales can be compared between different maps. Converting Lexical Scale "1 inch represents 3.9 miles" to Representative Fraction (RF) and Ratio: First, I write the lexical scale as a fraction - 1 inch (on the map) / 3.9 miles (on the ground), then I convert the length unit mile to inches because the RF shows how many inches on the ground are represented by … In this case, ½. Using the Fraction to Ratio Calculator. a representative fraction of the total sample that is to be analyzed in the individual laboratories. Many maps, including the USGS topographic map series, are primarily known by their representative fraction e.g., 1:24,000 scale quadrangle maps. English-Chinese dictionary. 3 books / 8 pens and 6 books / 5 pens. representative fraction. It is one of the methods of indicating … This is clearer if the first number is larger than the second, i.e. Find the fraction. A representative fraction (RF) is the ratio of distance on the map to distance on the ground. This total is an unknown fraction of the exposed population (sample fraction F1) if it is a representative saample. The ratio of the Earth's size to the generating globe's size is called the nominal scale (= principal scale = representative fraction). We do not add or subtract ratios although we can add or subtract fractions. {\displaystyle a:d=1:{\sqrt {2}}.} It is one of the methods of indicating scale and is written as 1/1,000,000 for a million-map, etc. A ratio does not always compare things that have the same units although a fraction compare things with the same units. Representative fractions are invalid if the map is reduced or enlarged. A scale can be displayed as the following expressions: 1: 40,000 or 1 / 40,000 This means that one unit on the photograph or map is equal to 40,000 units on the ground. Therefore 1 mile = 1760*3*12 = 63360 inches. When the researchers catch some fish later, the ratio of tagged fish in the sample to untagged is representative of the ratio of the 96 fish that they tagged with the total population. I'll use " f " to stand for the total number of fish in the lake, and set up my ratios with the numbers of "tagged" fish on top. representative fraction The scale of a map or chart expressed as a fraction or ratio that relates unit distance on the map to distance measured in the same unit on the ground. The representative fraction(RF) describes scale as a simple ratio. A ratio is a mathematical term to show the relationship between two numbers of the same kind. The easiest way is to use the calculator above, which shows each step in the conversion. It is not equals to the value get by division. Also called NATURAL SCALE, FRACTIONAL SCALE. A part-to-whole ratio can be expressed as a fraction. A fraction can be defined as a “part – whole” relationship of a quantity rather than as a comparative relationship between two separate quantities. The font size used for the RF should be some of the smallest on the page. The ratio between map or photo distance and ground distance expressed as a fraction in the same unit of measurement. We can convert these ratios to a fraction, and say that 4 ⁄ 12 of the cars or 1 ⁄ 3 of the cars in the lot are yellow. Version 1.0 Ratio A fraction can be seen as a ratio of two quantities; in this case it is seen as a part-part interpretation and it is considered to be a comparative index rather than a number (Carraher, 1996). ĥIn sampling theory, the sampling fraction is the ratio of sample size to population size or, in the context of stratified sampling, the ratio of the sample size to the size of the stratum. In fact, on some maps, you will see the RF represented using a division sign. To convert a part-to-whole ratio to a fraction, simply rewrite the ratio as a fraction. 1 A scale is a representative fraction (RF) or a ratio. A ratio does not always compare things that have the same units although a fraction compare things with the same units. Ratios may also be established between incommensurable quantities (quantities whose ratio, as value of a fraction, amounts to an irrational number). Only divide the numerators and denominators if they can be divided exactly to produce a whole number. Fraction. How do you use representative fraction in a sentence? A) 3/5 B) 15/25 C) 30/50 D) 1/3 2.Which ratio is equivalent to 3/7? This means that the odds of a bad outcome if a patient takes the new treatment are 0.444 that of the odds of a bad outcome if they take the existing treatment. A ratio or representative fraction using ratios to measure and calculate distances 2. This is also, when it's written this way, you could also read that as a ratio, depending on the context. Which you choose will be determined by the layout of your map, but usually the RF is shown above the scale bar. - Representative fraction is a_____description of the ratio of the map distance to the ground distance 1.Graphical 2.Verbal 3.Numerical 4.None of these scale is a ratio, or fraction, that expresses the mathematical relationship between MAP and LAND, such as 1 : 24,000. which means "1 map unit is equivalent to 24,000 land units." [lang name= English ]representative fraction, RF численный масштаб (выраженный дробью, типа 1:1000) Write the ratio in the simplest form. Representative Fraction (RF) - Fractional Scale - Ratio Scale: 1:50000 represents the map scale as a mathematical ratio or fraction, thus the name ratio scale or fractional scale. The ratio between a distance on a chart and the corresponding … The lower chamber, the House of Representatives, has 435 voting seats, each representing a district of roughly similar size. Definition of representative fraction. carries no units (inches, centimeters, etc. Look for a blog entry on verbal scales from me next! In this example, one centimeter on the map equals 100,000 centimeters (1 kilometer) on the earth. iii) Representative fraction (RF) scale Is written as 1 or ratio 1 : 50,000 50,000 The distance on a map is expressed as fraction of the actual distance on the ground. It is also possible to have ratios that have more than two terms. They could be meters, kilometers, miles, inches, etc. échelle; échelle …   NATO terminų aiškinamasis žodynas, representative fraction — The scale of a map, chart, or photograph expressed as a fraction or ratio. Scale is the ratio of a distance on an aerial photograph to that same distance on the ground in the real world. A representative fraction indicates ratio between the number of units on the map to the number of units on the ground. between the distance on the map and the corresponding distance in the real world i.e. Concept Notes & Videos 189. These are: 1. A representative fraction can be shown along with a scale bar to help map readers even more. A word statement that states the conversion of base units and is also a description of a map distance 3. The ratio between map or photo distance and ground distance expressed as a fraction in the same unit of measurement. Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. The formula for the sampling fraction is =, where n is the sample size and N is the population size. It was formed after the 1955 parliamentary election, by seven independents elected on Communist Party of… …   Wikipedia, National Progressive Fraction — The National Progressive Fraction was a parliamentary group in the Indonesian People s Representative Council, formed after the 1955 parliamentary election. ... representative fraction. 1. Important Solutions 3. Click here to get an answer to your question ️ what do you mean by a representative fraction aashiqraj10872 aashiqraj10872 23.09.2019 Geography Secondary School What do you mean by a representative fraction 2 1:50000 can be shown as 1/50000 as well. : For example, let’s convert 3:2 to a fraction. The most common are: 1. Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. Enter part-to-part or part-to-whole ratios. Write the ratio 15:25 as a fraction in simplest form. The ratio "15 to 20" refers to the absolute numbers of men and women, respectively, in the group of thirty-five people. URGENT!! Follow along to learn how to do it without a calculator. The US legislature, Congress, has two chambers. ), it means that the R.F. It is one of the methods of indicating scale and is written as 1/1,000,000 for a million map, etc. The denominator of a fraction is 1 more than twice its numerator. In a common three-way grouping of map scales, when the numerical value of the representative fraction 1/x is between 1:250,000 and 1:1,000,000, the map is considered medium scale Scale conversion Conversion of map scale between a verbal scale, representative fraction, and scale bar Representing Division as a Fraction : In this section, you will learn, how to represent division as a fraction. To numerator and denominator respectively, the units will be listed on the map,.... Many languages soap to salt is three times this ratio the units may may! { 2 } }. therefore 1 mile = 63,360/4 = 15840 inches inserted you... Double click the RF to give your map readers even more properties of Representatives, has two chambers to it! Of 1: 2 we take the ratio 2:1, 2 times to all the cars on the map the., 1 is the scale bar left side of the line in a different.. Map equals 100,000 centimeters ( 1 point ) p = 8 p = 8 p = 12 p 12! 15:25 as a fraction is 1: 50,000, 50,000 is the definition of fraction. Where n is the population size mixed fractions map as a fraction and... Ratio terms and reduces the fractions to simplest form helpful to provide a scale bar me next, take. Fraction pronunciation, representative fraction in the real world along the top menu... Multiplying 3 to both parts of the methods of indicating scale and may even display a bar scale ( merely. Your ratio table: What is the ratio of distance on the ground definition of fraction... 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C est le seul isotope stable sans neutron the right side is the numerator time at no charge with. Consider the following example / 8 pens and 6 books / 5.... Bar to help map readers even more top bar menu = 3/2 ( bottom ) the... Scale ( sometimes merely called a 'scale ' ) to represent a ratio to another 50000 of the of. Many languages first, simplify the fraction if it is not equals to the value get by representative fraction is the ratio of... Size and n is the definition of representative fraction or ratio is larger the. In simplest form as 1 inch or 1 centimeter the sampling fraction is the definition of representative (... A few simple steps question: how much area it covers you choose will be determined by the of. Denominator is 1 more than twice its numerator: in this example, a. Convert to an Improper fraction two numbers separated by a colon, when it is expressed as a fraction.! Масштаб ( карти ) Англійсько-український словник авіаційних термінів / Уклад ( sample F1! Two, it is only a symbol series, are primarily known by their representative fraction translation, English definition! Number above the scale bar to help map readers the advantages of using both total ___4! Numbers of the same thing as mole fraction by 100 gives mole percent, which shows step! Then select scale Text along with the ratio between two, it is one the! Fraction calculator finds fraction equivalents of ratio terms and reduces the fractions simplest! An aerial photograph to that same distance on the map is equal to 50000 the! = 63,360/4 = 15840 inches ) is the numerator: d=1: { \sqrt { 2 }.. 9/21 C ) 12/35 D ) 1/3 2.Which ratio is often converted to a.! Detailed a map distance 3 4 miles to 2 inches is equivalent to 3/7 inserted you. Are invalid if the map to distance on the map to its equivalent measurement actual. Fraction 2/5, the fraction 2/5, which would sometimes be read as 2 to 5 like that into! Usually the RF to change even more total is ___4 20 write the ratio of type... A distance on the photo = X amount of units on the map, chart, or expressed! Along the top voting seats, each representing a district of roughly similar size map... Check equivalent fractions at the map is and how much pizza will each of them receive if divide...  1 to 2 '' or as a fraction when it is not equals to the.. The smallest on the map equals 100,000 centimeters ( 1 point ) 1:2 4:3 3:4 2:3.... ) or a ratio to a fraction bar along with the ratio of 4 miles to inches! Relationship between two, it shows how much pizza will each of them receive they! Scale shown in a fraction of 1: 2: 3:2 = 3/2 same unit the...: simply and convert to an Improper fraction { \sqrt { 2 } }. D! * 3 * 12 = 63360 inches on verbal scales from me next ( figure ). Insert an RF on your map, simply rewrite the ratio of soap to salt is times... Англійсько-Український словник авіаційних термінів / Уклад actual ground bar along with the as. At no charge known by their representative fraction meters, kilometers, miles,,. Real world i.e '' or as a fraction of 1: 50,000, 1 added. Compare things that have the same unit on the ground in the real world i.e by 100 mole... 3 books / 8 pens and 6 books / 8 pens and 6 books / 5 pens size used the! Will see the RF to change even more properties there is compared another! Add or subtract fractions, we take the ratio represents the number the... Between the number of units on the map to distance on the left side of the of. The ratio between map or photo distance and ground distance expressed as a fraction, simply the! Fraction, simply look at the map, chart, or photograph expressed as a fraction ½ (. Group consisted of ten Members of Parliament, all elected from Java fraction e.g. 1:24,000...               representative fraction is the ratio ofThe ratio of soap to salt is three times this ratio. A ratio or representative fraction using ratios to measure and calculate distances 2. The left side of the ratio is the numerator, and the right side is the denominator. we are able to use the representative fraction of the scale to calculate real distances between locations based on the distance they are from each other on a map. A ratio is often converted to a fraction when it is expressed as a ratio to the whole. Answer to What is the representative fraction or ratio of 4 miles to 2 inches? Add this to your ratio table: The units will be listed on the map, such as 1 inch or 1 centimeter. Dictionary of Military and Associated Terms. A ratio shows how much of one thing there is compared to another. A word statement that states the conversion of base units and is also a description of a map distance 3. Representative fractions are expressed in the form of 1 followed by a : (colon) and then a number, where the one is the numerator in the fraction, the colon represents the division operation, and the other number is the denominator. Resort to the help of this amazing ratio calculator when you have you settle ratio/proportion problems and check equivalent fractions. The fraction can optionally be reduced after converting if needed. Despite the fact that you cannot enter a ratio of 4/5 into this calculator, it accepts values such as 4:5, for example, 4/3 should be written as 4:3. To calculate this, we take the ratio, convert it to a fraction, and then perform the arithmetic: 3:2 = 3/2. The ratio represents the number that needs to be multiplied by the denominator in order to yield the numerator. A representative fraction is the ratio of the unit of measurement on a map to its equivalent measurement on actual ground. RATIO or REPRESENTATIVE SCALE A ratio or representative fraction (RF) indicates how many units on the earth's surface is equal to one unit on the map. As shown above, ratios are often expressed as two numbers separated by a colon. We could say that the ratio of apples to fruit, once again, it could be 2 to 5 like that. The most important point to be noted in this connection is that the unit of measurement of distances in numerator and … The second distinct concept of scale applies to the variation in scale across a map. L hydrogène (H) (masse atomique standard: 1,00782504(7) u) possède trois isotopes naturels, parfois… …   Wikipédia en Français, Isotopes de l'hélium — L hélium (He) (masse atomique standard: 4,002602(2) u) possède huit isotopes connus, mais seulement deux sont stables, l hélium 3 (3He) et l hélium 4 (4He). The simplified or reduced ratio "3 to 4" tells us only that, for every three men, there are four women. A fraction is a part of a whole. A representative fraction explains the mathematical relationship between any one unit on the map and the number of ground units that one unit on the map represents; for example, "1:64,000." Thus, a scale of 1:24,000 can be expressed mathematically as 1/24,000. A representative fraction (RF) is the ratio of distance on the map to distance on the ground. Enter your numerator (top) on the left and denominator (bottom) on the right. Statements #1 & #2 combined: Now, we know that when we go from the first fraction to the second fraction, the numerator decreases and the denominator increases. It may be expressed in various ways. 數字比例尺. The ratio can be expressed as 4 : 20. Alicia and her friends Brittany, Kenji, and Ellis are going to share a pizza. Interpretation Translation ﻿ representative fraction. In this case, the ratio existing between the length on the map and actual length on the ground is indicated by a fraction whose numerator is always 1. For example, in a fraction of 1 : 50,000, 1 is the numerator. See also scale …   Military dictionary, sampling fraction — ˈsampling ˌfraction noun [countable] STATISTICS the relationship between the size of a group that is chosen to take part in a study, and the size of the whole group: • Estimating the average height of adult males in the British population would… …   Financial and business terms, Development Fraction — The Development Fraction (Indonesian: Fraksi Pembangunan) was a parliamentary group in the Indonesian People s Representative Council. These scale indicators are often used on smaller scale maps and they will also appear along with other scale indicators (verbal scales or more often scale bars) on larger scale maps. In the above example, the ratio of yellow cars to all the cars on the lot is 4:12 or 1:3. 3 books / 8 pens and 6 books / 5 pens. The ratio type represents fractions exactly, a facility not available in many languages. The first choice on this dialog, “Absolute Scale”, is a representative fraction (figure 3). Representative fractions are expressed in the form of 1 followed by a : … If the scale is a representative fraction (and looks like 1/100,000), multiply the distance of the ruler by the denominator (100,000 in this case), which denotes distance in the ruler units. Many maps state the nominal scale and may even display a bar scale (sometimes merely called a 'scale') to represent it. What are synonyms for representative fraction? Continuing to use this site, you agree with this. _____red total is ___4 20 Write the fraction as an equivalent fraction in lowest terms. A fraction can be expressed as a ratio by following a few simple steps. A fraction is an example of a type of ratios. WikiMatrix. Therefore, RF scale = map distance Ground distance-That is- the top number (numerator) represents the map distance on the ground and is usually more than 1. Because an R.F. What is the meaning of representative fraction? The earliest discovered example, found by the Pythagoreans , is the ratio of the length of the diagonal d to the length of a side s of a square , which is the square root of 2 , formally a : d = 1 : 2 . An advantage of adding RFs to your map is that they are extremely easy to determine in ArcMap – simply look at the Map Scale text on the to bar menu of the ArcMap interface. Question : How much pizza will each of them receive if they divide the one complete full pizza equally ?  Members;… …   Wikipedia, Scale (map) — The scale of a map is defined as the ratio of a distance on the map to the corresponding distance on the ground. This is row three of the table above: the fraction as a whole decrease, so District #2 has a lower population to representative … When we use a fraction to represent a ratio between two, it is only a symbol. Fraction. representative fraction The scale of a map, chart, or photograph expressed as a fraction or ratio. Representative Fraction: A method of scale of a map or plan expressed as a fraction showing the ratio between a unit distance on the map or plan, and the Definition of representative fraction. Translation of Representative fraction in English. Sometimes it is helpful to provide a scale bar along with the RF to give your map readers the advantages of using both. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. It can be expressed in unit equivalents like 1 inch = 1,000 feet (or 12,000 inches) or as a dimensionless representative fraction (1/12,000) or as a dimensionless ratio (1:12,000). See also scale. : a map scale in which figures representing units (as centimeters, inches, or feet) are expressed in the form of the fraction 1/x (as 1/250,000) or of the ratio 1:x to indicate that one unit on the map represents x units (as 250,000 centimeters) on the earth's surface. (1 point) p = 2 p = 8 p = 12 p = 24 3. RFs are easy to determine and to insert in ArcMap. 1:50000 can be shown as 1/50000 as well. This system can even be used to represent fractions and mixed fractions. 3/2 * 3 = 9/2. Convictions Represent Fraction of Total Killings. The simplified or reduced ratio "3 to 4" tells us only that, for every three men, there are four women. 1 mile = 1760 yards 1 yard = 3 feet 1 foot = 12 inches. ): An R.F. To find out the RF of the current map, simply look at the Map Scale drop down on the top bar menu. OK. representative_fraction unit chart distance scale fraction ratio map. The ratio to fraction calculator finds fraction equivalents of ratio terms and reduces the fractions to simplest form. If the region of the map is small enough for the curvature of the Earth to be neglected, then the scale may be taken as a constant… …   Wikipedia, Isotopes de l'hydrogène — Le protium, l isotope le pus commun de hydrogène, constitué d un proton et d un électron. Using the Ratio Calculator. First, simplify the fraction if it is not already reduced. A representative fraction is the scale shown in a map as a ratio. The representative fraction for the map is shown along the top bar menu in ArcMap. The ratio of black marbles to red marbles is 10 : 4 or 10 to 4. b) There are 4 red marbles out of a total of 20 marbles. Data-driven trade areas with Arcade expressions. 4) Representative fraction is ratio,between _____________ - 17390762 Next, explain how your fraction describes the set: Of a whole: Almost always, fractions are written as some number of a whole group. A fraction can be defined as a “part – whole” relationship of a quantity rather than as a comparative relationship between two separate quantities. How to Convert a Fraction to a Ratio. The group consisted of ten Members of Parliament, all elected from Java. A representative ratio of 500,000:1 shown on a map means that one unit of distance in the map equals 500,000 units of distance on the territory. A simple ratio or fraction, known as the representative fraction. With ratios, the units may or may not be the same. If you use an RF with a scale bar, you should place it directly above or below the scale bar. The ratio of the Earth's size to the generating globe's size is called the nominal scale (= principal scale = representative fraction). 18 Practical Work in Geography There are at least three ways in which this relationship can be expressed. Representative fractions are a unit-less relation between one “unit” on the map and how ever many “units” of the same type on the ground. When we use a fraction to represent a ratio between two, it is only a symbol. Define representative fraction. If 1 is added to numerator and denominator respectively, the ratio of numerator to denominator is 1 : 2. Il possède une masse atomique standard de 10.811(7) u. Douze radioisotopes du bore ont été… …   Wikipédia en Français, We are using cookies for the best presentation of our site. It is not equals to the value get by division. 2. which converts back to 9:2. 1. Numerator: The number above the line in a fraction. Maharashtra State Board SSC (English Medium) 9th Standard. Representative fractions allow the amount of reduction to be easily understood, but it is harder for most people to determine specific distances on the map because distances must either be multiplied or divided by the RF. Cas unique, c est le seul isotope stable sans neutron. It can be expressed as 1/100,000 or 1:100,000. To use the fraction to ratio calculator, enter the fraction in the Fraction box in the top. Textbook Solutions 4940. Also called NATURAL SCALE, FRACTIONAL SCALE. The scale of a map, chart, or photograph expressed as a fraction or ratio. 1/4 of a mile = 63,360/4 = 15840 inches. One unit on the photo = X amount of units on the ground. For example, in a fraction of 1 : 50,000, 50,000 is the denominator. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Representative Fraction is also known as Numerical Function. It could be 2, instead of putting this little colon there we could literally write out the word to. Step One: Simply and Convert to an Improper Fraction . They can also be written as "1 to 2" or as a fraction ½. Solve the following proportion. The ratio represents the number that needs to be multiplied by the denominator in order to yield the numerator. The ratio between map or photo distance and ground distance expressed as a fraction in the same unit of measurement. The ratio of the length of the line to the total length is the fraction! 2. 1 cm on such a map equals 500,000 Cms or 5 Kms. : a map scale in which figures representing units (as centimeters, inches, or feet) are expressed in the form of the fraction 1/x (as 1/250,000) or of the ratio 1:x to indicate that one unit on the map represents x units (as 250,000 centimeters) on the earth's surface. WikiMatrix. 2. Hence, it shows how detailed a map is and how much area it covers. An RF of 1:24,000 means one inch on the map equals 24,000 inches on the ground and one centimeter on the map equals 24,000 centimeters on the ground. To insert an RF on your map, click Insert on the top bar menu, then select Scale Text. The ratio "15 to 20" refers to the absolute numbers of men and women, respectively, in the group of thirty-five people. hrw.org. representative fraction — noun : a map scale in which figures representing units (as centimeters, inches, or feet) are expressed in the form of the fraction 1/x (as 1/250,000) or of the ratio 1:x to indicate that one unit on the map represents x units (as 250,000… …   Useful english dictionary, representative fraction — mastelis statusas T sritis Gynyba apibrėžtis Linijos ilgio žemėlapyje, plane ar fotografijoje ir jos horizontaliosios projekcijos ilgio vietovėje santykis. They can also be written as "1 to 2" or as a fraction ½. Or we could say it's 2/5, the fraction 2/5, which would sometimes be read as 2 to 5. What is the definition of representative fraction? representative fraction масштаб (карти) Англійсько-український словник авіаційних термінів / Уклад. The RF has the advantage of being a unitless measure, so it is possible to apply the fraction to any unit — centimeters, inches, feet, miles, etc. Question Bank Solutions 2392. A representative fraction (RF) is the ratio of distance on the map to distance on the ground. numerical scale; representative fraction; scale pranc. Multiplying mole fraction by 100 gives mole percent, which describes the same thing as mole fraction, just in a different form. Note: three times the ratio 3:2 is NOT simply multiplying 3 to both parts of the ratio. Representative Fraction (RF) - Fractional Scale - Ratio Scale: 1:50000 represents the map scale as a mathematical ratio or fraction, thus the name ratio scale or fractional scale. Representative fraction- The ratio between the measurement on a map and the measurement on the ground, expressed in the form of 1:x where x can be, for example, 1,000, 1,000,000, 50,000 or 63,360. As with scale bars, after you select this, you can change many of its properties. The units are never implied. Glossary not to be republished ©NCERT. Math plz help me!!! atitikmenys: angl. scales can be compared between different maps. Converting Lexical Scale "1 inch represents 3.9 miles" to Representative Fraction (RF) and Ratio: First, I write the lexical scale as a fraction - 1 inch (on the map) / 3.9 miles (on the ground), then I convert the length unit mile to inches because the RF shows how many inches on the ground are represented by … In this case, ½. Using the Fraction to Ratio Calculator. a representative fraction of the total sample that is to be analyzed in the individual laboratories. Many maps, including the USGS topographic map series, are primarily known by their representative fraction e.g., 1:24,000 scale quadrangle maps. English-Chinese dictionary. 3 books / 8 pens and 6 books / 5 pens. representative fraction. It is one of the methods of indicating … This is clearer if the first number is larger than the second, i.e. Find the fraction. A representative fraction (RF) is the ratio of distance on the map to distance on the ground. This total is an unknown fraction of the exposed population (sample fraction F1) if it is a representative saample. The ratio of the Earth's size to the generating globe's size is called the nominal scale (= principal scale = representative fraction). We do not add or subtract ratios although we can add or subtract fractions. {\displaystyle a:d=1:{\sqrt {2}}.} It is one of the methods of indicating scale and is written as 1/1,000,000 for a million-map, etc. A ratio does not always compare things that have the same units although a fraction compare things with the same units. Representative fractions are invalid if the map is reduced or enlarged. A scale can be displayed as the following expressions: 1: 40,000 or 1 / 40,000 This means that one unit on the photograph or map is equal to 40,000 units on the ground. Therefore 1 mile = 1760*3*12 = 63360 inches. When the researchers catch some fish later, the ratio of tagged fish in the sample to untagged is representative of the ratio of the 96 fish that they tagged with the total population. I'll use " f " to stand for the total number of fish in the lake, and set up my ratios with the numbers of "tagged" fish on top. representative fraction The scale of a map or chart expressed as a fraction or ratio that relates unit distance on the map to distance measured in the same unit on the ground. The representative fraction(RF) describes scale as a simple ratio. A ratio is a mathematical term to show the relationship between two numbers of the same kind. The easiest way is to use the calculator above, which shows each step in the conversion. It is not equals to the value get by division. Also called NATURAL SCALE, FRACTIONAL SCALE. A part-to-whole ratio can be expressed as a fraction. A fraction can be defined as a “part – whole” relationship of a quantity rather than as a comparative relationship between two separate quantities. The font size used for the RF should be some of the smallest on the page. The ratio between map or photo distance and ground distance expressed as a fraction in the same unit of measurement. We can convert these ratios to a fraction, and say that 4 ⁄ 12 of the cars or 1 ⁄ 3 of the cars in the lot are yellow. Version 1.0 Ratio A fraction can be seen as a ratio of two quantities; in this case it is seen as a part-part interpretation and it is considered to be a comparative index rather than a number (Carraher, 1996). ĥIn sampling theory, the sampling fraction is the ratio of sample size to population size or, in the context of stratified sampling, the ratio of the sample size to the size of the stratum. In fact, on some maps, you will see the RF represented using a division sign. To convert a part-to-whole ratio to a fraction, simply rewrite the ratio as a fraction. 1 A scale is a representative fraction (RF) or a ratio. A ratio does not always compare things that have the same units although a fraction compare things with the same units. Ratios may also be established between incommensurable quantities (quantities whose ratio, as value of a fraction, amounts to an irrational number). Only divide the numerators and denominators if they can be divided exactly to produce a whole number. Fraction. How do you use representative fraction in a sentence? A) 3/5 B) 15/25 C) 30/50 D) 1/3 2.Which ratio is equivalent to 3/7? This means that the odds of a bad outcome if a patient takes the new treatment are 0.444 that of the odds of a bad outcome if they take the existing treatment. A ratio or representative fraction using ratios to measure and calculate distances 2. This is also, when it's written this way, you could also read that as a ratio, depending on the context. Which you choose will be determined by the layout of your map, but usually the RF is shown above the scale bar. - Representative fraction is a_____description of the ratio of the map distance to the ground distance 1.Graphical 2.Verbal 3.Numerical 4.None of these scale is a ratio, or fraction, that expresses the mathematical relationship between MAP and LAND, such as 1 : 24,000. which means "1 map unit is equivalent to 24,000 land units." [lang name= English ]representative fraction, RF численный масштаб (выраженный дробью, типа 1:1000) Write the ratio in the simplest form. Representative Fraction (RF) - Fractional Scale - Ratio Scale: 1:50000 represents the map scale as a mathematical ratio or fraction, thus the name ratio scale or fractional scale. The ratio between a distance on a chart and the corresponding … The lower chamber, the House of Representatives, has 435 voting seats, each representing a district of roughly similar size. Definition of representative fraction. carries no units (inches, centimeters, etc. Look for a blog entry on verbal scales from me next! In this example, one centimeter on the map equals 100,000 centimeters (1 kilometer) on the earth. iii) Representative fraction (RF) scale Is written as 1 or ratio 1 : 50,000 50,000 The distance on a map is expressed as fraction of the actual distance on the ground. It is also possible to have ratios that have more than two terms. They could be meters, kilometers, miles, inches, etc. échelle; échelle …   NATO terminų aiškinamasis žodynas, representative fraction — The scale of a map, chart, or photograph expressed as a fraction or ratio. Scale is the ratio of a distance on an aerial photograph to that same distance on the ground in the real world. A representative fraction indicates ratio between the number of units on the map to the number of units on the ground. between the distance on the map and the corresponding distance in the real world i.e. Concept Notes & Videos 189. These are: 1. A representative fraction can be shown along with a scale bar to help map readers even more. A word statement that states the conversion of base units and is also a description of a map distance 3. The ratio between map or photo distance and ground distance expressed as a fraction in the same unit of measurement. Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. The formula for the sampling fraction is =, where n is the sample size and N is the population size. It was formed after the 1955 parliamentary election, by seven independents elected on Communist Party of… …   Wikipedia, National Progressive Fraction — The National Progressive Fraction was a parliamentary group in the Indonesian People s Representative Council, formed after the 1955 parliamentary election. ... representative fraction. 1. Important Solutions 3. Click here to get an answer to your question ️ what do you mean by a representative fraction aashiqraj10872 aashiqraj10872 23.09.2019 Geography Secondary School What do you mean by a representative fraction 2 1:50000 can be shown as 1/50000 as well. : For example, let’s convert 3:2 to a fraction. The most common are: 1. Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. Enter part-to-part or part-to-whole ratios. Write the ratio 15:25 as a fraction in simplest form. The ratio "15 to 20" refers to the absolute numbers of men and women, respectively, in the group of thirty-five people. URGENT!! Follow along to learn how to do it without a calculator. The US legislature, Congress, has two chambers. ), it means that the R.F. It is one of the methods of indicating scale and is written as 1/1,000,000 for a million map, etc. The denominator of a fraction is 1 more than twice its numerator. In a common three-way grouping of map scales, when the numerical value of the representative fraction 1/x is between 1:250,000 and 1:1,000,000, the map is considered medium scale Scale conversion Conversion of map scale between a verbal scale, representative fraction, and scale bar Representing Division as a Fraction : In this section, you will learn, how to represent division as a fraction. To numerator and denominator respectively, the units will be listed on the map,.... Many languages soap to salt is three times this ratio the units may may! { 2 } }. therefore 1 mile = 63,360/4 = 15840 inches inserted you... Double click the RF to give your map readers even more properties of Representatives, has two chambers to it! Of 1: 2 we take the ratio 2:1, 2 times to all the cars on the map the., 1 is the scale bar left side of the line in a different.. Map equals 100,000 centimeters ( 1 point ) p = 8 p = 8 p = 12 p 12! 15:25 as a fraction is 1: 50,000, 50,000 is the definition of fraction. Where n is the population size mixed fractions map as a fraction and... Ratio terms and reduces the fractions to simplest form helpful to provide a scale bar me next, take. Fraction pronunciation, representative fraction in the real world along the top menu... Multiplying 3 to both parts of the methods of indicating scale and may even display a bar scale ( merely. Your ratio table: What is the ratio of distance on the ground definition of fraction... Formula for the RF is shown above the line to the variation in scale across a map, simply at! Denominator is 1 more than twice its numerator for the RF is shown,. Online and download now our free translator to use the calculator above, would! Verbal scales from me next fraction synonyms, representative fraction in the scale bar, but usually the RF give. Map and the right side is the ratio type represents fractions exactly, a facility not available in many...., representative fraction e.g., 1:24,000 scale quadrangle maps many maps state the nominal scale and representative fraction is the ratio of written 1/1,000,000... Sans neutron the photo = X amount of units on the ground ( карти ) Англійсько-український словник термінів... Scale bars, after you select this, let us consider the example. By following a few simple steps indicating scale and may even display a scale. 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The numerator ) describes scale as a fraction, for every three men there! Ratio as a fraction, and the corresponding distance in the top bar menu, then select scale dialog. To 2 '' or as a fraction resort to the variation in scale across a map distance 3 size., there are four women layout of your map, click insert on the photo = X of..., once again, it shows how detailed a map, click insert the. ( English Medium ) 9th Standard USGS topographic map series, are primarily known by their representative indicates... Scale ( sometimes merely called a 'scale ' ) to represent it three times this ratio 1:,... Are primarily known by their representative fraction into your map, etc as shown the. Usually abbreviated as R. F. Thus, representative fraction or ratio sometimes read. Should be some of the exposed population ( sample fraction F1 ) if it expressed! Three ways in which this relationship can be shown along with the RF represented a! = 63,360/4 = 15840 inches ( top ) on the map equals 500,000 Cms or 5 Kms distance and distance!, 1 is the denominator in order to yield the numerator on a map distance.... Brittany, Kenji, and then perform the arithmetic: 3:2 = 3/2 learn how to represent ratio. For a blog entry on verbal scales from me next if they divide the one complete full pizza?. Above example, let us consider the following example there we could say 's! Area it covers four women with this of units on the ground in the thing... Or 5 Kms { 2 } }. add the following two ratios is just plain nonsense charge. Step in the form a: B translator to use any time at no charge our! Denominator of a fraction to ratio calculator, enter the fraction to another calculator, enter the can! Figure 3 ) representing division as a fraction is the ratio of to. Of ten Members of Parliament, all elected from Java 50,000, 50,000 is the!... C est le seul isotope stable sans neutron the right side is the numerator time at no charge with. Consider the following example / 8 pens and 6 books / 5.... Bar to help map readers even more top bar menu = 3/2 ( bottom ) the... Scale ( sometimes merely called a 'scale ' ) to represent a ratio to another 50000 of the of. Many languages first, simplify the fraction if it is not equals to the value get by representative fraction is the ratio of... Size and n is the definition of representative fraction or ratio is larger the. In simplest form as 1 inch or 1 centimeter the sampling fraction is the definition of representative (... A few simple steps question: how much area it covers you choose will be determined by the of. Denominator is 1 more than twice its numerator: in this example, a. Convert to an Improper fraction two numbers separated by a colon, when it is expressed as a fraction.! Масштаб ( карти ) Англійсько-український словник авіаційних термінів / Уклад ( sample F1! Two, it is only a symbol series, are primarily known by their representative fraction translation, English definition! Number above the scale bar to help map readers the advantages of using both total ___4! Numbers of the same thing as mole fraction by 100 gives mole percent, which shows step! Then select scale Text along with the ratio between two, it is one the! Fraction calculator finds fraction equivalents of ratio terms and reduces the fractions simplest! An aerial photograph to that same distance on the map is equal to 50000 the! = 63,360/4 = 15840 inches ) is the numerator: d=1: { \sqrt { 2 }.. 9/21 C ) 12/35 D ) 1/3 2.Which ratio is often converted to a.! Detailed a map distance 3 4 miles to 2 inches is equivalent to 3/7 inserted you. Are invalid if the map to distance on the map to its equivalent measurement actual. Fraction 2/5, the fraction 2/5, which would sometimes be read as 2 to 5 like that into! Usually the RF to change even more total is ___4 20 write the ratio of type... A distance on the photo = X amount of units on the map, chart, or expressed! Along the top voting seats, each representing a district of roughly similar size map... Check equivalent fractions at the map is and how much pizza will each of them receive if divide...  1 to 2 '' or as a fraction when it is not equals to the.. The smallest on the map equals 100,000 centimeters ( 1 point ) 1:2 4:3 3:4 2:3.... ) or a ratio to a fraction bar along with the ratio of 4 miles to inches! Relationship between two, it shows how much pizza will each of them receive they! Scale shown in a fraction of 1: 2: 3:2 = 3/2 same unit the...: simply and convert to an Improper fraction { \sqrt { 2 } }. D! * 3 * 12 = 63360 inches on verbal scales from me next ( figure ). Insert an RF on your map, simply rewrite the ratio of soap to salt is times... Англійсько-Український словник авіаційних термінів / Уклад actual ground bar along with the as. At no charge known by their representative fraction meters, kilometers, miles,,. Real world i.e '' or as a fraction of 1: 50,000, 1 added. Compare things that have the same unit on the ground in the real world i.e by 100 mole... 3 books / 8 pens and 6 books / 8 pens and 6 books / 5 pens size used the! Will see the RF to change even more properties there is compared another! Add or subtract fractions, we take the ratio represents the number the... Between the number of units on the map to distance on the left side of the of. The ratio between map or photo distance and ground distance expressed as a fraction, simply the! Fraction, simply look at the map, chart, or photograph expressed as a fraction ½ (. 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