Question

A swimming pool is to be drained. The pool is shaped like a Rectangular prism with length 12m , with 10 m, and depth 3m. Suppose water is pumped out of the pool at a rate of 18 m3 per hour.if the pool starts completely full , how many hours does it take to empty the pool ?

Answer 1

20 hours

Explanation:

first calculate volume:

12x10x3=360

then divide by 18

360/18=20

So 20 hours in total