document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=428009>Question 428009</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The speed of a stream is 5mph. A boat travels 5 miles upstream in the same time it takes to travel 15 miles downstream. What is the speed of the boat in still water.\r<BR>\n" );
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document.write( "help please. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297580 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=297580\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> boat speed		x	mph				<BR>\n" );
document.write( "current speed 		5	mph				<BR>\n" );
document.write( "..							<BR>\n" );
document.write( "against current		x	-	5	mph		<BR>\n" );
document.write( "with current		x   	+	5	mph		<BR>\n" );
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document.write( "Distance against current		5					<BR>\n" );
document.write( "Distance with current		15					<BR>\n" );
document.write( "Time = same							<BR>\n" );
document.write( "5	/(x-	3	)=	15	/(x+	3	)<BR>\n" );
document.write( "5	*(x+	3	)=	15	*(x-	3	)<BR>\n" );
document.write( "5	x  	+	15	=	15	x	-45<BR>\n" );
document.write( "15	x  	-5	x   	=	45	+	15<BR>\n" );
document.write( "10	x  	=	60				<BR>\n" );
document.write( "/	10						<BR>\n" );
document.write( "	x=	6	mph				<BR>\n" );
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