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October 20, 2014

October 20, 2014

Posted by **Lamont** on Sunday, July 3, 2011 at 4:28pm.

- Math -
**Henry**, Monday, July 4, 2011 at 8:34pmIf the pool was empty it would take:

1/T = 1/24 - 1/40,

LCM = 120.

1/T = 5/120 - 3/120 = 2/120 = 1/60.

T = 60h if tank was empty.

T = (2/3) * 60 = 40h.

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