document.write( "Question 256367: A plane flies from Worcester to Chicago at an average rate of 380 mph and
\n" ); document.write( "returns along the same route at an average rate of 420 mph. What was the
\n" ); document.write( "average rate in miles per hour, for the round trip?
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Algebra.Com's Answer #188611 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
Which Worcester and which Chicago? \n" ); document.write( "
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