document.write( "Question 260797: A car travels up a hill at a constant speed of 36 km/h and returns down the hill at a constant speed of 70 km/h. Calculate the average speed (in km/h) for the round trip. \r
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Algebra.Com's Answer #192112 by unlockmath(1688)\"\" \"About 
You can put this solution on YOUR website!
Hello,
\n" ); document.write( "To find the average of anything, we first add everything up and divide it by the number of items. For example:
\n" ); document.write( "36+70=106 Then we divide the total by 2 to give us:
\n" ); document.write( "53km/h
\n" ); document.write( "Make sense?
\n" ); document.write( "RJ
\n" ); document.write( "Check out a new book I wrote at:
\n" ); document.write( "www.math-unlock.com
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