Question

The scale on a map reads 12 inches = 500 kilometers. If the distance between Sacramento, CA and Washington D.C. is 96 inches on the map, what is the actual distance between these two locations?

Answer 1

The answer is: " 4,000 km " .
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12:500 :: 96:x ; Solve for "x"
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12/500 = 96/x ;

12x = (500)*(96) ;

Divide each side of the equation by "12" ;

12x / 12 = [ (500) * (96) ] / 12

x = 500 * 8 = 4,000 ;
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The answer is: " 4,000 km " .
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Answer 2

4,000 kilometers because, 96 divided by 12 equals 8 then, 8 times 500 equals 4,000