The scale on a map is 1 inch:25 miles. The distance between City A and City B on the map is 4.25 inches. What isthe actual distance, in miles between the cities

Question

City A and City B

Answer 1

Let D be the actual distance between the cities.  D can be computed using using the following ratio:

 

25 miles / 1 inch = D miles / 4.25 miles

 

Then D = 25 * 4.25 = 106.25 miles