# pre algebra

The distance between 2 towns on a map is 2.5 inches. The actual distance is 35 miles. What is the scale?

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1. 2.5 / 35 = 1 / x

Cross multiply and solve for x.

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2. one inch is 35 miles / 2.5 inches = 14 miles / inch

one mile = 5280 ft/mile * 12 in/ft
= 63360 inches
14 miles = 14*63360 = 887040 inches
so 1 inch on the map is 887,040 inches on the ground
887,040/1

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