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QUESTION
The time required to empty a tank varies inversely as the rate of pumping/ A pump can empty a tank in 90 minutes at the rate of 1200L/min.
The time required to empty a tank varies inversely as the rate of pumping/ A pump can empty a tank in 90 minutes at the rate of 1200L/min. How long will it take the pump to empty the tank at 3000L/min?
