Question

A truck rental company had 32 vehicles on its lot. The company had 20 pickup trucks and the rest were cargo vans.

Answer 1

TOTAL VEHICLES = 32
PICKUP TRUCKS = 20
CARGO VANS = 32 - 20 = 12
 
RATIO = 20 : 12
= 5:3

SO, C. 5 to 3 is correct.

Answer 2

So if you have 32 vehicles and 20 pickup trucks then you have 12 vans. 

so your ratio would be 20 to 12 then reduce you should get 5 to 3