document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=468172>Question 468172</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A boat can carry fuel for 8 hours sailing time, and can travel at 16km/h in still water. It goes down stream with a current that moves 4km/h, and goes upstream against the current that moves at the same speed. How far can it go downstream and return safely? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #321234 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=321234\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 16+4=20 km/h downstream<BR>\n" );
document.write( "16-4=12 km/h upstream<BR>\n" );
document.write( "n/20+n/12=8<BR>\n" );
document.write( "3n+5n=480<BR>\n" );
document.write( "8n=480<BR>\n" );
document.write( "n=60<BR>\n" );
document.write( "The boat can travel 60 kilometers safely.<BR>\n" );
document.write( "60/20+60/12=3+5=8 hours traveling time.. </SPAN>\n" );
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