document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=491879>Question 491879</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jenny drove to her cabin on the lake and back. It took 0.6 hours longer to get there than it did to get back. The average speed of the trip was 46 km/h. The average speed of the trip back was 52 km/h. How many hours did the trip there take? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #334856 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=334856\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jenny drove to her cabin on the lake and back. It took 0.6 hours longer to get there than it did to get back. The average speed of the trip was 46 km/h. The average speed of the trip back was 52 km/h. How many hours did the trip there take?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=distance to cabin<BR>\n" );
document.write( "travel time =distance/speed<BR>\n" );
document.write( "x/46-x/52=0.6<BR>\n" );
document.write( "LCD: 46*52<BR>\n" );
document.write( "52x-46x=0.6*46*52<BR>\n" );
document.write( "6x=1435.20<BR>\n" );
document.write( "x=1435.20/6=239.2 km <BR>\n" );
document.write( "Travel time to cabin=x/46=239.2/46=5.2 hrs<BR>\n" );
document.write( "Travel time back=x/52=239.2/52=4.6 hrs<BR>\n" );
document.write( "Difference=5.2-4.6=0.6 hrs </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );