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August 30, 2014

Homework Help: Math

Posted by Felix Ferrer on Tuesday, October 2, 2007 at 6:15pm.

Please help me? A motorist takes a trip of 100 miles, traveling at 40 mph for the first 50 miles and 60 mph for the last 50 miles. What is the average speed in mph for the trip? The answer is not 50 mph.

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