SOLUTION: On a road map, the distance along an interstate highway between 2 cities is 4 5/8 inches, and the distance along a U.S. highway is 5 3/4 inches. On the map, 1 inche represents 80 m

Question 253623: On a road map, the distance along an interstate highway between 2 cities is 4 5/8 inches, and the distance along a U.S. highway is 5 3/4 inches. On the map, 1 inche represents 80 miles. How many miles greater is the distance along the U.S. highway than along the interstate highway?
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
First subtract 4 5/8 from 5 3/4 to get 9/8.
Second, set up the following proportion:
1 / 80 = (9/8) / m.
step 1 - cross multiply to get
m = 90.
90 miles is the difference
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