SOLUTION: Working together, two pumps can drain a certain pool in 6 hours. If it takes the older pump 14 hours to drain the pool itself, how long will it take the newer pump to drain the poo
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Question 1135217: Working together, two pumps can drain a certain pool in 6 hours. If it takes the older pump 14 hours to drain the pool itself, how long will it take the newer pump to drain the pool on its own Answer by ikleyn(52810) (Show Source):
The two pumps drain of the pool volume per hour, working together.
The new pump drains of the pool volume per hour.
Working alone, the old pump drains = = = of the poll volume per hour.
It means that the new pump needs = hours = 10 hours and 30 minutes to drain the pool. ANSWER
