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What is the unit rate of one mile if the map scale is 3/10 in. = 7/8 mile?

User Meetri
by
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1 Answer

3 votes

3/10 inches x inches

---------------- = -------------

7/8 miles 1 miles


using cross products


3/10 * 1 = 7/8 * x

multiply by 8/7

3/10 * 8/7 = 7/8 *8/7*x

24/70 = x

divide by 2

12/35

12/35 inches per 1 mile

User Drby
by
7.6k points