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April 18, 2014

Homework Help: math

Posted by jawn on Wednesday, August 19, 2009 at 6:14pm.

You jog at 6.6 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.4 mi/h?

answer is 24.5 mi/h.


WHY??

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