Question 530532
 the scale on a map of Virginia shows that 1 cm represents 30 miles. the actual distance from richmond, VA to Washington, DC is 110 miles. one the map, how many cm are between the 2 cities. round your answer to the nearest tenth. 
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Use a proportion:
xcm/110 mi = 1cm/30 miles
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x = 110/30 = 11/3 = 3 2/3 cm
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Cheers,
Stan H.