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April 20, 2014

Homework Help: Math

Posted by Leigh on Friday, February 12, 2010 at 8:33pm.

A semi-truck travels on a paved road for 2 hours at an average speed of 20 miles per hour faster than it travels on a dirt road. The time spent on the dirt road is 3 hours. If the entire trip is 200 miles, how fast is the truck traveling on the dirt road?

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