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December 21, 2014

December 21, 2014

Posted by **Roberto** on Thursday, August 12, 2010 at 6:58pm.

- Math -
**Damon**, Thursday, August 12, 2010 at 7:52pmJack --> 1/3 yard/hr

Marilyn --> 1/5 yard/hr

together 1/3+1/5 = 5/15+3/15 = 8/15 yard/hr

so 15/8 hr/yard

15/8 hr/yard * 60 min/hr = 112.5 min = 1 hr 52 1/2 minutes

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