kierrastewart7374 kierrastewart7374

11-08-2018
Physics

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A pool can be filled by a pipe in 3 hours. it takes 3 times as long for another pipe to empty the pool. how long will it take to fill the pool if both pipes are open?

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vunderkid vunderkid

11-08-2018

There is need 4.5 hours to fill the pool in case if both pipes are open

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