document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=864035>Question 864035</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Christina’s motorboat took 3 hours to make a trip downstream with a 6-mph current. The return trip against the same current took 5 hours. Find the speed of the boat in still water? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #520745 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=520745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Boat speed	speed	x	mph									<BR>\n" );
document.write( "current     	speed	6	mph									<BR>\n" );
document.write( "..												<BR>\n" );
document.write( "against 	current     	x-	6									<BR>\n" );
document.write( "with	current     	x+	6									<BR>\n" );
document.write( "..												<BR>\n" );
document.write( "against	current     	5	hours									<BR>\n" );
document.write( "with 	current     	3	hours									<BR>\n" );
document.write( "Distance is same.  D=r*t												<BR>\n" );
document.write( "5	(	x	-	6	)	=	3	(	x	+	6	)<BR>\n" );
document.write( "5	x	-	30			=	3	x	+	18		<BR>\n" );
document.write( "5	x	-	3	x	=		30	+	18			<BR>\n" );
document.write( "2	x				=		48					<BR>\n" );
document.write( "/	2											<BR>\n" );
document.write( "x				=		24	mph					<BR>\n" );
document.write( "Boat speed	speed	=	24	mph								<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );