Question

A map of a highway has a scale of 2 inches =39 miles. The length of the highway on the map is 6 inches. There are 11 rest stops equally spaced on the​ highway, including one at each end. You are making a new map with a scale of 1 inch =30 miles. How far apart are the rest stops on the new​ map?

Answer 1

Find the distance of the rest stop in the original map

Divide by 6 because there are 7 rest stop
Find the real distance of the rest stop using proportion

step 2
Find the distance of the rest stop in the new map
using proportion