a pool 5 feet deep with a diameter of 40 feet is filled with water in 50 minutes. how long will it take to fill a pool that is 6 feet deep with a diameter of 36 feet?

3 answers

since the fill rate is volume/time, and is constant, then just solve

(40^2 * 5)/50 = (36^2 * 4)/x
16 hrs.
16hours