document.write( "Question 171919: Math professor Al Gebra averaged 30mph ascending a 1-mile hill on his motorcycle
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Algebra.Com's Answer #127026 by Alan3354(69443)\"\" \"About 
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Math professor Al Gebra averaged 30mph ascending a 1-mile hill on his motorcycle
\n" ); document.write( "At what speed (in mph) must he come back down the hill to average 60mph for the round trip?
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\n" ); document.write( "It's a trick question. It's not possible since he used 2 minutes on the way up, and the round trip would have to be made in 2 minutes. Time is up.
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