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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?

!!!!!Explanation Needed!!!!!

1 Answer

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Answer:

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

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