Water is leaking out of an inverted conical tank at a rate of 0.0137 m3/min. At the same time water is being pumped into the tank at a constant rate. The tank has height 6 meters and the diameter at the top is 3.5 meters. If the water level is rising at a rate of 0.18 m/min when the height of the water is 2 meters, find the rate at which water is being pumped into the tank. The answer is not 0.206025

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