Mathematics, 03.12.2021 19:30, ashvinmsingh
An inlet pipe can fill a container full of grain in 7 hours and an outlet pipe can empty it in 13 hours. How long will it take to fill the container if both pipes are left open?
Answers: 1
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An inlet pipe can fill a container full of grain in 7 hours and an outlet pipe can empty it in 13 ho...
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