Thursday
July 31, 2014

Homework Help: math

Posted by donna on Sunday, March 7, 2010 at 10:14pm.

a truck driver traveled at an average speed of 48 miles per hour on a 100-mile trip to pick up a load of freight. On the return trip with the truck fully loaded,the average speed was 40 miles per hour. Find the average speed for the round trip.

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