document.write( "Question 469330: Suppose you hike up a hill at 4km/h. You hike back down at 6km/h. Your hiking trip took 3 hours. How long was your trip up the hill? \n" ); document.write( "
Algebra.Com's Answer #321975 by jorel1380(3719)\"\" \"About 
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n/4+n/6=3
\n" ); document.write( "3n+2n=36
\n" ); document.write( "5n=36
\n" ); document.write( "n=36/5 kilometers each way..
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