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March 1, 2015

Homework Help: algebra

Posted by carolyn on Sunday, February 12, 2012 at 4:51pm.

A certain toilet tank can be emptied in 6 sec through its drain when it is flushed. This happens at the same time that the water is flowing in through the inlet pipe. Withthe drain closed, the inlet pipe canfill the tank in 30 sec. How long would it take to drain the tank if the water was not flowingin through the inlet pipe?

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