Ex The time t required to empty a tank varies inversely as as the rate of pumping If a pump can empty a tank in 2 5 hours at a

Question

Ex The time t required to empty a tank varies inversely as as the rate of pumping If a pump can empty a tank in 2 5 hours at a rate of 400 gallons per minute how long will it take to empty a tank at 500 gallons per minute

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