The scale of a map is 20 miles = 5 inches. On a map, the distance between Liberty and Omaha, NE is 45 inches. What is this distance in miles?

Respuesta :

180 miles I think because 45 divided 5 is 9 times 20 is 180.
Set up a proportion: 20/5=x/45
Solve it: 5x=900
x=180

The distance is 180 miles