SOLUTION: For a certain bathtub the hot water faucet can fill the tub in 13 minutes. The cold water faucet can fill the tub in 7 minutes. If both faucets are used together, how long will it
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-> SOLUTION: For a certain bathtub the hot water faucet can fill the tub in 13 minutes. The cold water faucet can fill the tub in 7 minutes. If both faucets are used together, how long will it
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Question 1140427: For a certain bathtub the hot water faucet can fill the tub in 13 minutes. The cold water faucet can fill the tub in 7 minutes. If both faucets are used together, how long will it take to fill the tub? Found 2 solutions by MathLover1, ikleyn:Answer by MathLover1(20850) (Show Source):
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The filling rate for faucets filling the tub at the same time is the of their rates.
The unit should be per .
You will then want thof the result to have per .
The hot faucet fills of the bathtub volume per minute.
The cold faucet fills of the bathtub volume per minute.
Together, they fill = = of the bathtub volume per minute.
It means that it will take minutes = minutes = 4 minutes and 33 seconds
to fill the bathtub if the two faucets are used together. ANSWER
