document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=766497>Question 766497</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat goes 150 miles downstream in the same time it can go 120 miles upstream. The speed of the current is 6 miles per hour. 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 #467033 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=467033\">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	mph		<BR>\n" );
document.write( "with	current     	x   	+	6	mph		<BR>\n" );
document.write( "							<BR>\n" );
document.write( "Distance against	current     	120					<BR>\n" );
document.write( "Distance with	current     	150					<BR>\n" );
document.write( "Time = same	equate the time against with time with current						<BR>\n" );
document.write( "t=d/r							<BR>\n" );
document.write( "120	/(x-	6	)=	150	/(x+	6	)<BR>\n" );
document.write( "120	*(x+	6	)=	150	*(x-	6	)<BR>\n" );
document.write( "120	x  	+	720	=	150	x	-900<BR>\n" );
document.write( "120	x  	-150	x   	=	-900	+	-720<BR>\n" );
document.write( "-30	x  	=	-1620				<BR>\n" );
document.write( "/	-30						<BR>\n" );
document.write( "	x=	54	mph				<BR>\n" );
document.write( "m.ananth@hotmail.ca							<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );