Question

It takes one student 12 hours to wash all of the cars at a school car wash. If 8 students wash all the cars, how many hours will each person spend washing cars?

Answer 1

Each person will wash all cars for 0.1875 hours

Explanation:

One student takes time to wash all cars = 12

8 students take time to wash all cars =
`(12)/(8)= 1.5 hours`

So, 8 students together takes 1.5 hours to wash the car

Each person spent hours on washing all cars =
`(1.5)/(8)`

Each person spent hours on washing all cars =0.1875 hours

So, Each person will wash all cars for 0.1875 hours