A car wash center washes 10 cars in half an hour.at this rate how many cars can it wash in 4 hours ?

A car wash center washes 10 cars in half an hour.at this rate how many cars can it wash in 4 hours ?

A 60

B 20

C 96

D 80

Solution

Correct Answer: Option D

It takes .5 hour to wash 10 cars

It takes 4 hour to wash (10x4)/.5=80