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December 18, 2014

December 18, 2014

Posted by **Anonymous** on Wednesday, January 6, 2010 at 3:50pm.

- math -
**Marth**, Wednesday, January 6, 2010 at 7:54pmEvery hour Wayne completes 1 task, and Sarah completes (1/2) task (simply take the reciprocal). Together, in 1 hour they will complete 3/2 tasks. Therefore, to complete 1 task, it takes them 2/3 hours.

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