<u>Given</u>:
A map shows some cities in the northern United States. The scale of a map is 
The actual distance between Chicago, IL and Pittsburgh, PA is 375 miles.
We need to determine the distance between the two cities on the map.
<u>Distance between the two cities:</u>
The distance between the two cities on the map can be determined by dividing the actual distance by 125 miles.
Thus, we have;

Dividing the terms, we get;

Thus, the distance between the two cities on the map is 3 inch.