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March 27, 2015

Homework Help: Algebra

Posted by Rose on Tuesday, January 24, 2012 at 8:07pm.

A carload of fraternity brothers leaves their house for a long weekend road trip. Two hours later a second carload of brothers leaves the same house and travels the same path. If the second car drives an average of 15 mph faster than the first, what is the average speed of each car if it takes the second car four hours to catch up to the first?

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