Question

The ratio of cars to trucks in a toy car collection is 3:4. If there are 9 cars, then how many total vehicles are in the collection? ____________ TOTAL VEHICLES *

Answer 1

There are 7 parts in all.

9 makes up three of those parts.

9/3=3

3x7=21 vehicles

Explanation:

Answer 2

21

Explanation:

1) 3:4=9:12

2) 9+12=21