Two pumps working together drain a pool in #6# hours. If older pump itself drains out the pool in #14# hours, how much time will newer pump take to drain the pool?
1 Answer
Feb 22, 2017
Newer pump can drain out the pool in
Explanation:
As two pumps working together drain the pool in
in one hour, they drain
As older pump itself drains the pool in
as such in one hour, older pump can drain
As in one hour, two pumps together drain out
newer pump on its own must be draining
Hence, newer pump can drain out the pool in