document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=613837>Question 613837</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane flying against the wind travels 242 miles in the same time that it can travel 253 miles with the wind. If the wind sped is 15 miles per hour, what is the speed of the airplane 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 #386309 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=386309\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Plane  	speed	x	mph				<BR>\n" );
document.write( "wind   	speed	15	mph				<BR>\n" );
document.write( "..							<BR>\n" );
document.write( "against	wind   	x	-	15	mph		<BR>\n" );
document.write( "with	wind   	x   	+	15	mph		<BR>\n" );
document.write( "							<BR>\n" );
document.write( "Distance against	wind   	242					<BR>\n" );
document.write( "Distance with	wind   	253					<BR>\n" );
document.write( "Time = same	equate the time against with time with current						<BR>\n" );
document.write( "t=d/r							<BR>\n" );
document.write( "242	/(x-	15	)=	253	/(x+	15	)<BR>\n" );
document.write( "242	*(x+	15	)=	253	*(x-	15	)<BR>\n" );
document.write( "242	x  	+	3630	=	253	x	-3795<BR>\n" );
document.write( "242	x  	-253	x   	=	-3795	+	-3630<BR>\n" );
document.write( "-11	x  	=	-7425				<BR>\n" );
document.write( "/	-11						<BR>\n" );
document.write( "	x=	675	mph				<BR>\n" );
document.write( "m.ananth@hotmail.ca							<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );