Question: The time t required to empty a tank varies inversely as the rate r of pumping. If a pump can empty a tank in 45

The time t required to empty a tank varies inversely as the rate r of pumping. If a pump can empty a tank in 45 min at the rate of 600 kL/min, how long will it take the pump to empty the same tank at the rate of 1000 kL/min?

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