Question

The map they have of the river has the scale 1 inch: 6 miles. on the map, the distance between the start point of their trip is 20 inches. what is the actual distance?

Answer 1

We have

1 in : 6 miles

20 in : ?

In order to calculate the actual distance

$\frac{20\cdot6}{1}=120$

the actual distance is 120 miles