document.write( "Question 235947: the distance up a hill and down the other side is the same. A car averages 30 mph up the hill and 60 mph down the other side. What is the average speed of the car overall. \n" ); document.write( "
Algebra.Com's Answer #173750 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
(30+60)/2=45 mph average \n" ); document.write( "
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