Mathematics, 23.02.2021 02:00 sammybrain
A swimming pool holds 480,000 liters of water the pool has two drainage pipes when the pool is completed full the first pipe alone empty it in 240 minutes and the second pipe alone can empty it in 160 minutes when both pipes are drawing too together how long to empty pool
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A swimming pool holds 480,000 liters of water the pool has two drainage pipes when the pool is compl...
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