document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=428014>Question 428014</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane flies 435 miles with the wind and 345 miles against the wind in the same length of time. If the speed of the wind is 15mph, find the speed of the plane in still air. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297579 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=297579\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let speed in still air be 		x	mph				<BR>\n" );
document.write( "wind speed		10	mph				<BR>\n" );
document.write( "..							<BR>\n" );
document.write( "against wind   		x	-	10	mph		<BR>\n" );
document.write( "with wind   		x   	+	10	mph		<BR>\n" );
document.write( "							<BR>\n" );
document.write( "Distance against wind		345					<BR>\n" );
document.write( "Distance with tail wind		435					<BR>\n" );
document.write( "Time = same							<BR>\n" );
document.write( "345	/(x-	3	)=	435	/(x+	3	)<BR>\n" );
document.write( "345	*(x+	3	)=	435	*(x-	3	)<BR>\n" );
document.write( "345	x  	+	1035	=	435	x	-1305<BR>\n" );
document.write( "435	x  	-345	x   	=	1305	+	1035<BR>\n" );
document.write( "90	x  	=	2340				<BR>\n" );
document.write( "/	90						<BR>\n" );
document.write( "	x=	26	mph				<BR>\n" );
document.write( "							<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );