Problema Solution

On a map, 3 inches corresponds to 100 miles. Find the actual distance between two cities that are 7 1/2 inches apart on the map

Answer provided by our tutors

3 inches corresponds to 100 miles

7 1/2 = 7.5 inches on the map corresponds to x miles

We can set up a proportion:

3 : 100 = 7.5 : x

........

click here to see the equation solved for x

........

x = 250 miles

The actual distance between the two cities is 250 miles.