document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=427544>Question 427544</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the speed of a stream is 3 mph. A boat travels 3 miles upstream in the same time it takes to travel 9 miles downstream. What is the speed of the boat in still water?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297383 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=297383\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let speed in still water = 		x	mph				<BR>\n" );
document.write( "current speed 3	mph				<BR>\n" );
document.write( "..							<BR>\n" );
document.write( "upstream speed = x-3	mph		<BR>\n" );
document.write( "downstream speed = x+3	mph		<BR>\n" );
document.write( "							<BR>\n" );
document.write( "Distance upstream=3					<BR>\n" );
document.write( "Distance downstream=9					<BR>\n" );
document.write( "Time = same							<BR>\n" );
document.write( "3/(x-3)=	9/(x+3)<BR>\n" );
document.write( "3*(x+3)=	9*(x-3)<BR>\n" );
document.write( "3x+3=9x-27<BR>\n" );
document.write( "9x-3x=27	+3<BR>\n" );
document.write( "6x=30				<BR>\n" );
document.write( "/6						<BR>\n" );
document.write( "x=5mph				<BR>\n" );
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