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Two large and one small pump can fill a swimming pool in 4 hours. One large and three small pumps can also fill the...

Two large and one small pump can fill a swimming pool in 4 hours. One large and three small pumps can also fill the swimming pool in 4 hours. How many hours will it take 4 large and 4 small pumps.

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Kavungya answered the question on September 17, 2019 at 08:38

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