document.write( "Question 468985: Find the distance between R and M if thy are 12CM apart on a map with a scale of 4CM :21Km?? not sure how to start thank you for help \n" ); document.write( "
Algebra.Com's Answer #321757 by stanbon(75887)\"\" \"About 
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Find the distance between R and M if they are 12CM apart on a map with a scale of 4CM :21Km
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\n" ); document.write( "Use a proportion of distance to cm measure.
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\n" ); document.write( "distance/12 cm = 21 km/4 cm
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\n" ); document.write( "distance = 12(21/4) = 3*21 = 63 km
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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