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March 26, 2015

March 26, 2015

Posted by **Rebecca** on Wednesday, January 4, 2012 at 10:48am.

- 7th Grade Math -
**Reiny**, Wednesday, January 4, 2012 at 12:55pmlet Carlos' time be t hrs

then Maria's time is 5-t hrs

solve for t

50t + 55(5-t) = 258

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