document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=38369>Question 38369</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kara floats from Barber Park to Eagle Island at 6 km/h. <BR>\n" );
document.write( "She returns by motorboat at 18 km/h. <BR>\n" );
document.write( "The float trip takes 4 hours longer than the motorboat trip. <BR>\n" );
document.write( "How many kilometers is it from Barber Park to Eagle Island? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #23851 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=23851\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Remember D = RT, distance = rate*time.<BR>\n" );
document.write( "Let the time for the initial trip be t.<BR>\n" );
document.write( "The return trip time is t - 4.<BR>\n" );
document.write( "The distances are equal so<BR>\n" );
document.write( "6t = 18(t - 4)<BR>\n" );
document.write( "6t = 18t - 72<BR>\n" );
document.write( "-12t = -72<BR>\n" );
document.write( "t = 6 hours<BR>\n" );
document.write( "Thus the distance is 6t or 36 km. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );