#
Three girls can clean the yard in 2 hours.if their mother helps them, how long will it take them to clean the yard? What type of proportion are these and how to solve it?

1
by Ailabalite

Log in to add a comment

by Ailabalite

Log in to add a comment

it is when the other one rises while the other one decreases

the answer for that question is 1.5 hours

(3)x(2 hours) / (3+1)

6/4

1 1/2