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February 28, 2015

February 28, 2015

Posted by **Anonymous** on Wednesday, September 24, 2008 at 8:23pm.

- math -
**drwls**, Wednesday, September 24, 2008 at 8:45pmLet V = tank volume

Fill rate = 1/4 V per hr

Drain rate = 1/2 V per hr

Net loss rate = 1/2 - 1/4 = 1/4 V/hr

Drain time = (V/2)/(1/4 V/hr) = 2 hr

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