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Mathematics, 19.03.2021 20:30 gujacksongu6

One day there is an accident and the tank cracks in 4 places. Water flows out of each crack at a rate of 1/2 liter per hour. An emergency pump can re-fill the tank at a rate of 2 liters per minute. How many minutes must the pump run to replace the water lost each hour?​

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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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