document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=450118>Question 450118</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man can row at 6km/h in still water. He rows 8km up a river and then back again, taking 3 hours for the total trip. If the current of the stream is flowing at (x)km/h:<BR>\n" );
document.write( "1) Write down an expression for the speed at which he rows upstream.<BR>\n" );
document.write( "2) Write down an expression for the speed at which he rows downstream.<BR>\n" );
document.write( "3) Calculate the speed at which the river was flowing. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #313106 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=313106\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 8/(6+x)+8/(6-x)=3<BR>\n" );
document.write( "8(6-x)+8(6+x)=3(36-x2)<BR>\n" );
document.write( "48-8x+48+8x=108-x2<BR>\n" );
document.write( "108-96=x2<BR>\n" );
document.write( "x2=12<BR>\n" );
document.write( "x=&#8730;12=2&#8730;3<BR>\n" );
document.write( "The river was flowing at 2&#8730;3 kph..<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );