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Mathematics, 25.01.2021 18:30 alexwlodko
One day there is an accident and the tank cracks in 4 places. Water flows out of each crack at a rate of 12 liter per hour. An emergency pump can refill the tank at a rate of 2 liters per minute.
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One day there is an accident and the tank cracks in 4 places. Water flows out of each crack at a rat...
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