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Mathematics, 23.09.2019 07:30 lizredrose5

Two large and 1 small pumps can fill a swimming pool in 4 hours. one large and 3 small pumps can also fill the same swimming pool in 4 hours. how many hours will it take 4 large and 4 small pumps to fill the swimming pool.(we assume that all large pumps are similar and all small pumps are also similar.)

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Two large and 1 small pumps can fill a swimming pool in 4 hours. one large and 3 small pumps can als...

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