On a map, the scale shown is 1 inch : 5 miles. If
a wildlife refuge is 50 square miles, what is the
area of the refuge on the map?
Next, notice that we're looking for area. Since area is a
square unit, we need to square this ratio.
What is 1²?
(1 in.)2
(5 mi)²
=
[?] in.²
mi²