Three pumps together

One pump fills the tank in 1.5 hours, the second in 2 hours, and the third in 3 hours 20 minutes. How many minutes will the tank fill with three pumps if they work simultaneously?

Result

t =  40.909 min

Solution:

Solution in text t =







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To solve this verbal math problem are needed these knowledge from mathematics:

Do you know the volume and unit volume, and want to convert volume units?

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