For a certain bathtub, it takes the hot water faucet
4

times as long to fill the tub as it does the cold water faucet. Left on together, the two faucets take
4

minutes to fill the tub. How long will it take the hot water faucet to fill the tub by itself

Respuesta :

4 min = (4÷x)
x = 4×4
x=16
16 min will take hot water to fill the run by itself

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