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Mathematics, 31.10.2019 19:31 genyjoannerubiera

For a certain bathtub, the cold water faucet can fill the tub in 7 minutes. the hot water faucet can fill the tub in 13 minutes. if both faucets are used together, how long will it take to fill the tub?

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For a certain bathtub, the cold water faucet can fill the tub in 7 minutes. the hot water faucet can...
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