document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=524123>Question 524123</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane can travel 910 miles with a 35 mph tailwind in the same time it can travel 760 miles with 49mph headwind. How fast can the plane travel with no wind resistance? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #347594 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16949)</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=347594\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> plane speed		x	mph				<BR>\n" );
document.write( "Tail wind 		35	mph<BR>\n" );
document.write( "Head wind = 49				<BR>\n" );
document.write( "..							<BR>\n" );
document.write( "against wind   		x	-	49	mph		<BR>\n" );
document.write( "with wind  		x   	+	35	mph		<BR>\n" );
document.write( "							<BR>\n" );
document.write( "Distance against 	wind	760					<BR>\n" );
document.write( "Distance with 	wind	910					<BR>\n" );
document.write( "Time = same							<BR>\n" );
document.write( "760	/(x-	49	)=	910	/(x+	35	)<BR>\n" );
document.write( "760	*(x+	35	)=	910	*(x-	49	)<BR>\n" );
document.write( "760	x  	+	37240	=	910	x	-44590<BR>\n" );
document.write( "910	x  	-760	x   	=	44590	+	37240<BR>\n" );
document.write( "150	x  	=	81830				<BR>\n" );
document.write( "/	150						<BR>\n" );
document.write( "	x=	545.53	mph				<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );