Answer:
answer a. 12 times 14 give us 168 minutes.
answer b. 42/14 = 3 tires
Step-by-step explanation:
You can do this problem a couple of ways.
Since we have two different forms of problems, let's solve for per minute of each tire.
a. 56/4 gives us time per tire in minutes.
14 minutes per tire
3 vans have 12 tires.
answer a. 12 x 14 give us 168 minutes.
b.
divide 42 minutes by 14 minutes to see how many tires he can fit.
answer b. 42/14 = 3 tires