On a​ map, 1 inch equals 11.6 miles. If two cities are 4.5 inches apart on the​ map, how far are they actually​ apart?

Question

On a​ map, 1 inch equals 11.6 miles. If two cities are 4.5 inches apart on the​ map, how far are they actually​ apart? 

Answer 1

1/11.6 = 4.5/x inches to miles are in a ratio of 1 to 11.6, so 4.5/x = 1/11.6

Cross multiply

x=11.6(4.5) = 52.2 actual miles