Question

A swimming pool has to be drained for maintenance. The pool is shaped like a cylinder with a diameter of 10m and a depth of 1.4 m. 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 will it take to empty the pool?

Answer 1

Answer: 10 hours-around that number

Step-by-step explanation:

(3.14)*52*1.4 m3 = 109.9 m3 of water.-area

at the rate of 18m3 per hour