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18-02-2021
Mathematics

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Faucet A can fill up a water cooler in 8 minutes. Faucet B can fill the same water cooler in 12 minutes. How long will it take both faucets together to fill the water cooler?
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Аноним Аноним

19-02-2021

Answer:

in average a it take both faucets together to fill the water cooler=(8+12)/2=10minutes

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