document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=701847>Question 701847</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A steamer goes downstream in a river, covers the distance between 2 towns in 15  <BR>\n" );
document.write( "hours. Coming back upstream, it covers this distance in 20 hours. The speed of the water is 3 km/h,find the distance between two towns. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #432677 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=432677\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A steamer goes downstream in a river, covers the distance between 2 towns in 15 <BR>\n" );
document.write( "hours. Coming back upstream, it covers this distance in 20 hours. The speed of the water is 3 km/h,find the distance between two towns.<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=speed of steamer in still water<BR>\n" );
document.write( "x+3=speed of steamer downstream<BR>\n" );
document.write( "x-3=speed of steamer upstream<BR>\n" );
document.write( "distance=travel time*speed (same for both directions)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "15(x+3)=20(x-3)<BR>\n" );
document.write( "15x+45=20x-60<BR>\n" );
document.write( "5x=105<BR>\n" );
document.write( "x=21<BR>\n" );
document.write( "distance=15(x+3)=15*24=360<BR>\n" );
document.write( "distance between two towns=360 km </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );