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Mathematics, 19.11.2019 18:31 babyleah2826

Afaucet can fill a sink in 5 minutes. it takes twice as long for the drain the empty a sink. how long will it take to fill the sink if the drain is open and the faucet is on?

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Afaucet can fill a sink in 5 minutes. it takes twice as long for the drain the empty a sink. how lon...
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