3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?9101112
Question
Solution 1
First, let's find out how many hours in total it takes for 3 pumps to empty the tank.
3 pumps can empty the tank in 2 days working 8 hours a day. So, the total hours it takes for 3 pumps to empty the tank is 2 days * 8 hours/day = 16 hours.
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