Posted by olga on Saturday, January 19, 2013 at 12:19pm.
A truck driver traveled at an average speed of 58 miles per hour on a 200mile trip to pick up a load of freight. On the return trip (with the truck fully loaded), the average speed was 37 miles per hour. Find the average speed for the round trip.

Algebra  PsyDAG, Sunday, January 20, 2013 at 1:15pm
(58+37)/2 = ?
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