Question

The ratio of cars to trucks is 9 to 4 if there are 52 trucks, what is the number of cars?

Answer 1

Let's call the number of cars `C` and work by ratios

Explanation:

Then `9div4=Cdiv52` or `9/4=C/52`

We can cross-multiply:

`4xxC=9xx52->C=(9xx52)/4=117`