document.write( "Question 764146: A bike rider pedals 10 mph to the top of a mountain and 15 mph on the way down. The total time for the round trip is 10 hr. Find the distance to the top of the hill. \n" ); document.write( "
Algebra.Com's Answer #465227 by lwsshak3(11628)\"\" \"About 
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A bike rider pedals 10 mph to the top of a mountain and 15 mph on the way down. The total time for the round trip is 10 hr. Find the distance to the top of the hill
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\n" ); document.write( "let x=one-way distance to top of the hill
\n" ); document.write( "travel time=distance/speed
\n" ); document.write( "\"x%2F10%2Bx%2F15=10\"
\n" ); document.write( "LCD:30
\n" ); document.write( "3x+2x=300
\n" ); document.write( "5x=300
\n" ); document.write( "x=60
\n" ); document.write( "distance to top of the hill=60 miles
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