Mathematics, 28.08.2019 15:30 deena7

Aswimming pool holds 480,000 liters of water. the pool has two drainage pipes. when the pool is completely full, the first pipe alone can empty it in 160 minutes, and the second pipe alone can empty it in 240 minutes. when both pipes are draining together, how long does it take them to empty the pool?

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Aswimming pool holds 480,000 liters of water. the pool has two drainage pipes. when the pool is comp...

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