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# A pool can be filled by one pipe in 7 hours and by a second pipe in 2 hours How long will it take using both pipes to fill the pool?

Updated: 10/19/2022

Wiki User

14y ago

In one hour first pipe fills 1/7th of pool, other pipe fills one-half,

so together in one hour they fill 1/7 + 1/2 ie 9/14 so would take 14/9 hours (93 and a third minutes) to fill the pool. ie 1 hr 33 min 20 sec

Wiki User

14y ago

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Q: A pool can be filled by one pipe in 7 hours and by a second pipe in 2 hours How long will it take using both pipes to fill the pool?
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