Rachel and her cousin Lena live in different cities that are about a hundred miles apart on a map the two cities measure 5 inches apart what is the scale factor used for the map

Question

Scale factor

Answer 1

5 inches is equivalent to 100 miles, so 1 in represents 100/5=20 miles on the map.

This will usually be written 1 inch=20 miles.

It could also be shown as 1:1,267,200, because there are 63,360 inches in a mile and 1,267,200 inches in 20 miles.