Question

A water hose had filled up 1/9 of a pool after

1/4 of an hour. At this rate, how many hours would it take to fill the pool?

Answer 1

x=2.25hrs

Explanation:

1/9 =1/4hr

9/9=x

(9/9)/(1/9)=1/4.xhr

1/9=1/4.xhr

cross multiplying

4x=9

x=9/4

x=2.25hrs