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May 23, 2015

Homework Help: Math

Posted by Jerald on Monday, January 14, 2013 at 7:41pm.

4 hours 18 min 11 sec- 3 hours 15 min 4 sec = 1 h 3 min 7 s

6 hours 7 minutes 42 sec + 2 hrs 12 min 38 sec=
8 hours 19 minutes 80 seconds

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