Question

My child is in 5th grade ..Please assist with this question and explanation..Thank you..

If 12 boys take 3 days to paint a room,how long will it take 9 boys to complete the same job?

Answer 1

8 hours

Explanation:

if twelve boys take 3 days to paint a room,

3 days=72 hours

72 hours divided by 9= 8

It will take 8 hours for nine boys to paint a room