document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=268946>Question 268946</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Eruca hiked up a mountain trail at 3 km/hr and returned home at 4 km/hr.  The entire trip took 5 hrs and 10 minutes.  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 #197047 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=197047\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Eruca hiked up a mountain trail at 3 km/hr and returned home at 4 km/hr. The entire trip took 5 hrs and 10 minutes. How long was the trail?<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Up DATA:<BR>\n" );
document.write( "rate = 3 km/hr ; time = x hrs ; distance = 3x km<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Down DATA:<BR>\n" );
document.write( "rate = 4 km/hr ; time = (5 1/6)-x hrs ; distance = 4[(31/6) -x] km<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "distance up = distance down<BR>\n" );
document.write( "3x = 4[(31/6)-x]<BR>\n" );
document.write( "3x = (124/6) - 4x<BR>\n" );
document.write( "7x = 124/6<BR>\n" );
document.write( "x = 124/42<BR>\n" );
document.write( "x = 2.95.. hrs<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Distance = 3x = 8.86.. km<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );