Question

The scale of a map is 3 in: 45mi. Find the actual distance if the map distance between two towns is 5 in.

Answer 1

75 miles

Explanation:

We can use cross products to solve

3 in 5 in

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

45 mi x miles

3 * x = 5 * 45

3x = 225

Divide each side by 3

3x/3 = 225/3

x =75 miles