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 *

Respuesta :

Answer:

There are 7 parts in all.

9 makes up three of those parts.

9/3=3

3x7=21 vehicles

Step-by-step explanation:

Answer:

21

Step-by-step explanation:

1) 3:4=9:12

2) 9+12=21