document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=360271>Question 360271</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A salmon swims 24 km downstream from its birthplace to the ocean in three hours. The return trip upstream to spawn takes five hours. How fast does the salmon swim in its water? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #257084 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=257084\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A salmon swims 24 km downstream from its birthplace to the ocean in three hours. The return trip upstream to spawn takes five hours. How fast does the salmon swim in its water?<BR>\n" );
document.write( "salmon speed = x<BR>\n" );
document.write( "cirrent speed =y<BR>\n" );
document.write( "d/r=t<BR>\n" );
document.write( "downstream<BR>\n" );
document.write( "24/x+y=3 <BR>\n" );
document.write( "3x+3y=24<BR>\n" );
document.write( "/3<BR>\n" );
document.write( "x+y=8.................1<BR>\n" );
document.write( "upstream<BR>\n" );
document.write( "24/(x-y)=5<BR>\n" );
document.write( "5x-5y=24..............2<BR>\n" );
document.write( "multiply 1 by 5<BR>\n" );
document.write( "5x+5y=40<BR>\n" );
document.write( "add it to 2<BR>\n" );
document.write( "10x=64<BR>\n" );
document.write( "x= 6.4 salmon 's speed<BR>\n" );
document.write( "current speed = 1.6 mph<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );