document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=366734>Question 366734</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Boris hiked up a mountain trail and camped overnight at the top. The next day he returned down the same trail. His average rate traveling uphill was 2.4 kilometers per hour and his average rate downhill was 3.6 kilometers per hour. If he spent a total of 11 hours hiking, how long was the trail? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #261388 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=261388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> up mountain <BR>\n" );
document.write( "let distance be x km<BR>\n" );
document.write( "speed = 2.4 <BR>\n" );
document.write( "time = x/2.4<BR>\n" );
document.write( "..<BR>\n" );
document.write( "down the mountain<BR>\n" );
document.write( "speed = 3.6 km/h<BR>\n" );
document.write( "time = x/3.6 <BR>\n" );
document.write( "...<BR>\n" );
document.write( "x/2.4  +x/3.6 = 11<BR>\n" );
document.write( "(3.6x+2.4x)/3.6*2.4=11<BR>\n" );
document.write( "6x= 11*3.6*2.4<BR>\n" );
document.write( "/6<BR>\n" );
document.write( "x=11*3.6*2.4 /6<BR>\n" );
document.write( "x=15.84 km .....\r<BR>\n" );
document.write( "\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );