document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=152557>Question 152557</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kara floats from A to B at 6 km/h.<BR>\n" );
document.write( "She returns by motorboat at 18km/h.<BR>\n" );
document.write( "The float trip is 4 hours longer than the motorboat trip.<BR>\n" );
document.write( "How far is it from A to B? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #112224 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=112224\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Kara floats from A to B at 6 km/h.<BR>\n" );
document.write( "She returns by motorboat at 18km/h.<BR>\n" );
document.write( "The float trip is 4 hours longer than the motorboat trip.<BR>\n" );
document.write( "How far is it from A to B?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "We know the speed of the current = 6 km/hr<BR>\n" );
document.write( "We know the speed of the boat on the return trip; = 18 km/hr (not in still water)<BR>\n" );
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document.write( "Let t = time of the boat trip<BR>\n" );
document.write( "then<BR>\n" );
document.write( "(t+4) = time floating<BR>\n" );
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document.write( "Distance of both trip is the same, write a dist equation; dist = speed * time<BR>\n" );
document.write( ":<BR>\n" );
document.write( "18t = 6(t+4)<BR>\n" );
document.write( "18t = 6t + 24<BR>\n" );
document.write( "18t - 6t = 24<BR>\n" );
document.write( "12t = 24<BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2F2 ALIGN=MIDDLE  ALT=\"24%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 2 hrs on the boat, and 6 hr on the river<BR>\n" );
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document.write( "Find the distance<BR>\n" );
document.write( "6 * 6 = 36 km A to B<BR>\n" );
document.write( "or<BR>\n" );
document.write( "18 * 2 = 36 km B to A<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );