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a swimming pool holds 375,000 liters of water. two large hoses are used to fill the pool. the first hose fills at a rate of 1500 liters per hour and the second hose fills at  a rate of 2,000 liters per hour. how many hours does it take to fill the pool completely.

Respuesta :

AL2006
when both hoses. are working together. they pour 1500 + 2000 = 3500 liters per hour.

The hours it takes to fill is 375,000 / 3,500 .

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