On a map, 1 in. represents 20 mi. Two cities are 31 in. apart on the map.
How far apart are the actual cities?
O 23ļmi
O 60gm
O zom
O 75 m

620 mi.

Step-by-step explanation:

If 1 inch represents 20 miles, we have a ratio of 1:20.

Since the cities are 31 inches apart on the map, multiply 31 by 20:

The cities are 620 miles apart.

Finito.

a - base

b - exponent

so,