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February 1, 2015

February 1, 2015

Posted by **tariq** on Thursday, May 16, 2013 at 10:33pm.

- math -
**Ms. Sue**, Thursday, May 16, 2013 at 10:51pm20/7 = 110/x

20x = 770

x = 38.5 hours

38.5 - 7 = 31.5 more hours

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