document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=456829>Question 456829</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kwan hiked up a hill at 4 km/hr and back down at 6 km/hr. His total hiking time was 3 hrs. How long did the trip up the hill take him? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #313506 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=313506\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x=6y<BR>\n" );
document.write( "x+y=3<BR>\n" );
document.write( "4x+4y=12<BR>\n" );
document.write( "6y+4y=12<BR>\n" );
document.write( "10y=12<BR>\n" );
document.write( "y=12/10<BR>\n" );
document.write( "x=18/10<BR>\n" );
document.write( "The trip up the hill took 1.8 hours.  The trip downhill took 1.2 hours..<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );