Tuesday

September 23, 2014

September 23, 2014

Posted by **Anonymous** on Friday, January 31, 2014 at 11:04pm.

- Math -
**Steve**, Friday, January 31, 2014 at 11:44pmevery hour it fills 1/9 and drains 1/22

1/9-1/22 = 13/198

So, it will take 198/13 = 15.23 hours

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