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Pumping alone at their respective constant rates, one inlet pipe fills an empty tank to 
of capacity in 3 hours and a second inlet pipe fills the same empty tank to 
of capacity in 6 hours. How many hours will it take both pipes, pumping simultaneously at their respective constant rates, to fill the empty tank to capacity?
of capacity in 3 hours and a second inlet pipe fills the same empty tank to of capacity in 6 hours. How many hours will it take both pipes, pumping simultaneously at their respective constant rates, to fill the empty tank to capacity?You cannot left this question unanswered!
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