document.write( "Question 658306: A motorist drives 60 miles trip averaging 20 miles per hour. On the return trip, he averaged 30 miles per hour. What was the average speed for the entire trip? \n" ); document.write( "
Algebra.Com's Answer #410238 by rfer(16322)\"\" \"About 
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(20+20+20+30+30)/5=
\n" ); document.write( "120/5=24 mph
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