A portion of a map with cities a and b is shown. The map uses a scale of 1 inch to 30 miles. A new map has a scale of 2 inches=15 miles. How far apart are cities a and b

22.5miles

Step-by-step explanation:

For Map 1;

1 inches = 30miles

For Map 2:

2 inches = 15miles

1 inches = x

2x = 1 *15

x = 15/2

x = 7.5miles

This means that 1 inch represents 7.5miles on Map 2'

The distance between the two cities in miles = 30miles - 7.5miles

The distance between the two cities (in miles) = 22.5miles