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November 22, 2014

November 22, 2014

Posted by **chelsea** on Friday, February 3, 2012 at 6:16pm.

- Math -
**Anonymous**, Saturday, February 4, 2012 at 12:38am1/n = 1/4 + 1/7 = 11/28

n = 28/11 = 2 6/11 hours

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