document.write( "Question 862399: A truck driver drove from one warehouse to another in 5 hours, traveling at an average speed of 42 mph. If the return trip took 6 hours, what was the driver's average speed on the return trip? \n" ); document.write( "
Algebra.Com's Answer #519804 by richwmiller(17219)\"\" \"About 
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5*42=210 miles one way
\n" ); document.write( "420 miles for the trip
\n" ); document.write( "420/11= average speed for the trip
\n" ); document.write( "which is about 38.18 mph
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