Mathematics, 18.10.2020 15:01 PotatoBananad

It takes 120 minutes for a hose to fill a swimming pool. If the pool is open, it takes 360 minutes to fill the pool. If the pool is full, the hose is off, and the drain is open, how many minutes does it take to empty the pool?

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It takes 120 minutes for a hose to fill a swimming pool. If the pool is open, it takes 360 minutes t...

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