document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=856429>Question 856429</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat can travel 48 mph in still water. If it travels 156 miles with the current in the same length of time it travels 132 miles against the current, what is the speed of the current? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #515934 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=515934\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Boat speed	=	48	mph										<BR>\n" );
document.write( "current speed	=	x	mph										<BR>\n" );
document.write( "													<BR>\n" );
document.write( "speed against	current	48	-	x									<BR>\n" );
document.write( "speed with	current	48	+	x									<BR>\n" );
document.write( "													<BR>\n" );
document.write( "Distance against	current	132	miles										<BR>\n" );
document.write( "Distance with	current	156	miles										<BR>\n" );
document.write( "													<BR>\n" );
document.write( "t=d/r	time against = time with		current	-									<BR>\n" );
document.write( "132	/	(	48	-	x	)=	156	/	(	48	+	x	)<BR>\n" );
document.write( "132	(	48	+	x 	)=	156	(	48	-x	)			<BR>\n" );
document.write( "6336	+	132	x	=	7488	-	-156	x					<BR>\n" );
document.write( "156	x	132	x		7488	+	-6336						<BR>\n" );
document.write( "288	x	=	1152										<BR>\n" );
document.write( "/	288												<BR>\n" );
document.write( "x	=	4	mph	current	speed								<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );