Answers by visitors named: POD

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Water is Pumped into an underground tank at a constant rate of 8 gallons per minute.Water leaks out of the tank at the rate of (t+1)^½ gallons per minute, for 0<t<120 minutes. At time t=0, the tank contains 30 gallons of water. How many gallons of water leak out of the tank from time t=0 to t=3 minutes?