Answered

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?

Sagot :

Maui007id
these are INDIRECT proportion
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