document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=366657>Question 366657</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a paddle wheeler goes 10 miles against the current in a river in the same time that it goes 15 miles with the current.  If the speed of the current is 3 mph, find the speed of the boat in the water. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #261344 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=261344\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "let speed of boat be x mph<BR>\n" );
document.write( "speed of current = 3mph\r<BR>\n" );
document.write( "\n" );
document.write( "..speed upstream <BR>\n" );
document.write( "x-3 mph<BR>\n" );
document.write( "distance =10<BR>\n" );
document.write( "time upstream = 10/(x-3)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "downstream<BR>\n" );
document.write( "speed = x+3<BR>\n" );
document.write( "distance = 15 miles<BR>\n" );
document.write( "time = 15/(x+y)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "times are same<BR>\n" );
document.write( "10/(x-3)=15/(x+3)<BR>\n" );
document.write( "10(x+3)=15(x-3)<BR>\n" );
document.write( "10x+30=15x-45<BR>\n" );
document.write( "15x-10x=45-30<BR>\n" );
document.write( "5x=15<BR>\n" );
document.write( "x= 3 mph.... speed of boat<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );