document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=803332>Question 803332</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do i set this up?\r<BR>\n" );
document.write( "\n" );
document.write( "A plane can fly at a rate of 215 mph in still air.  Traveling with the wind, the plane flew 750 miles in the same amount of time it took to fly 540 miles against the wind.  Find the rate of the wind.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #484297 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=484297\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Planespeed	=	215	mph										<BR>\n" );
document.write( "wind speed given	=	x	mph										<BR>\n" );
document.write( "													<BR>\n" );
document.write( "speed against	current	215	-	x									<BR>\n" );
document.write( "speed with	current	215	+	x									<BR>\n" );
document.write( "													<BR>\n" );
document.write( "Distance against	current	540	miles										<BR>\n" );
document.write( "Distance with	current	750	miles										<BR>\n" );
document.write( "													<BR>\n" );
document.write( "t=d/r	time against = time with		current	-									<BR>\n" );
document.write( "540	/	(	215	-	x	)=	750	/	(	215	+	x	)<BR>\n" );
document.write( "540	(	215	+	x 	)=	750	(	215	-x	)			<BR>\n" );
document.write( "116100	+	540	x	=	161250	-	-750	x					<BR>\n" );
document.write( "750	x	540	x		161250	+	-116100						<BR>\n" );
document.write( "1290	x	=	45150										<BR>\n" );
document.write( "/	1290												<BR>\n" );
document.write( "x	=	35	mph	current	speed								<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );