document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=535026>Question 535026</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane traveled 624 miles to Perth and back. The trip there was with the wind. It took four hours. The trip back was into the wind. The trip back took 6 hours. What is the speed of the plane in still air? What is the speed of the wind? \r<BR>\n" );
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document.write( "I really need help on this one and would be so greatful to anyone that would show me the answer.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #351750 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=351750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> plane  	speed	=x	mph					<BR>\n" );
document.write( "wind speed	speed	=y	mph					<BR>\n" );
document.write( "against current x-y		6.00	hours					<BR>\n" );
document.write( "With current x+y		4.00	hours					<BR>\n" );
document.write( "								<BR>\n" );
document.write( "Distance = same=		624	miles					<BR>\n" );
document.write( "t=d/r								<BR>\n" );
document.write( "624	/	(	x	-	y	)=	6.00	<BR>\n" );
document.write( "6	(	x	-	y	)	=	624.00	<BR>\n" );
document.write( "6	x		-6	y	=	624	....................1	<BR>\n" );
document.write( "624	/	(	x	+	y	)=	4.00	<BR>\n" );
document.write( "4.00	(	x	+	y	)	=	624	<BR>\n" );
document.write( "4.00	x	+	4.00	y	=	624	...............2	<BR>\n" );
document.write( "Multiply (1) by 	2.00							<BR>\n" );
document.write( "Multiply (2) by	3.00							<BR>\n" );
document.write( "we get								<BR>\n" );
document.write( "12	x	+	-12	y	=	1248		<BR>\n" );
document.write( "12	x	+	12	y	=	1872		<BR>\n" );
document.write( "24	x	=	3120					<BR>\n" );
document.write( "/	24							<BR>\n" );
document.write( "x 	=	130	mph					<BR>\n" );
document.write( "								<BR>\n" );
document.write( "plug value of x in (1)								<BR>\n" );
document.write( "6	x		-6	y	=	624		<BR>\n" );
document.write( "780			-6	y	=	624		<BR>\n" );
document.write( "-6	y	=	624	-780				<BR>\n" );
document.write( "-6	y	=	-156					<BR>\n" );
document.write( "	y	=	26	mph				<BR>\n" );
document.write( "	plane  	130	mph					<BR>\n" );
document.write( "	wind speed	26	mph					<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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