document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=910169>Question 910169</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a bicyclist rode up a mountain at 12km/h and then back down at 30 km/h. If the round trip took 3.5 h, how long did the ride up the mountain take </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552293 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=552293\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y=3.5<BR>\n" );
document.write( "x=3.5-y<BR>\n" );
document.write( "12*x=d<BR>\n" );
document.write( "12*(3.5-y)=d<BR>\n" );
document.write( "30*y=d<BR>\n" );
document.write( "12*(3.5-y)=30*y<BR>\n" );
document.write( "42.0-12y=30*y<BR>\n" );
document.write( "42.0=42*y<BR>\n" );
document.write( "42.0/42=y<BR>\n" );
document.write( "y=42.0/42<BR>\n" );
document.write( "y=1.0 hours down<BR>\n" );
document.write( "x=2.5 hours  up<BR>\n" );
document.write( "x time =150 minutes up<BR>\n" );
document.write( "One way up distance = 30.0 miles<BR>\n" );
document.write( "One way  down distance = 30 miles<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );