Question
Tap X can fill a container completely in 3 hours while Tap Y takes 3 hours more to fill the same container completely. There is a hole at the bottom of the container which can empty the full container in 7 hours. How long does it take for the container to be completely filled if both taps are turned on? Give your answer in whole number or decimal.
3 m

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Tap X can fill a container completely in 3 hours while Tap Y takes 3 hours more to fill the same container completely. There is a hole at the bottom of the container which can empty the full container in 7 hours. How long does it take for the container to be completely filled if both taps are turned on? Give your answer in whole number or decimal.