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Mathematics, 18.02.2021 22:00 nolangriffin

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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Faucet A can fill up a water cooler in 8 minutes. Faucet B can fill the same water cooler in 12 minu...
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