document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=357749>Question 357749</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The trip of the Amazon River in canoes and back to the mouth of the Amazon took 12 hours. Going upstream, the canoes traveled at 5km/h, but downstream they traveled 10 km/h faster. how far upstream did they go? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #255369 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=255369\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let distance be x miles<BR>\n" );
document.write( "upstream speeed = 5km/h<BR>\n" );
document.write( "down stream speed= 15km/h<BR>\n" );
document.write( "..<BR>\n" );
document.write( "time upstream + time downstream = total time<BR>\n" );
document.write( "..<BR>\n" );
document.write( "speed = distance/speed<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x/5 + x/15 = 12<BR>\n" );
document.write( "3x+x /15 =12<BR>\n" );
document.write( "4x/15=12<BR>\n" );
document.write( "*15<BR>\n" );
document.write( "4x=15*12<BR>\n" );
document.write( "4x=180<BR>\n" );
document.write( "x= 45 miles<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );