document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=728863>Question 728863</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't know how to solve this word problem. All I know is R*T=D. Please help me solve.\r<BR>\n" );
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document.write( "\"Traveling for 3 hours into a steady headwind a jet traveled 1650 miles. If the jet were flying with the same wind it could have gone 1300 miles in only 2 hours. Find the rate of the jet in calm air and the rate if 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 #445646 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=445646\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Plane  	speed	=x	mph					<BR>\n" );
document.write( "wind   	speed	=y	mph					<BR>\n" );
document.write( "against  	wind   	3	hours					<BR>\n" );
document.write( "with	wind   	2	hours					<BR>\n" );
document.write( "								<BR>\n" );
document.write( "Distance against 		1650	miles	distance with 		1300	miles	<BR>\n" );
document.write( "t=d/r	against	wind   		-				<BR>\n" );
document.write( "1650	/	(	x	-	y	)=	3	<BR>\n" );
document.write( "3	(	x	-	y	)	=	1650	<BR>\n" );
document.write( "3	x	-	3	y	=	1650	....................1	<BR>\n" );
document.write( "								<BR>\n" );
document.write( "1300	/	(	x	+	y	)=	2	<BR>\n" );
document.write( "2	(	x	+	y	)	=	1300	<BR>\n" );
document.write( "2	x	+	2	y	=	1300	...............2	<BR>\n" );
document.write( "Multiply (1) by	1    							<BR>\n" );
document.write( "Multiply (2) by	1							<BR>\n" );
document.write( "we get								<BR>\n" );
document.write( "3	x	+	-3	y	=	1650		<BR>\n" );
document.write( "2	x	+	2	y	=	1300		<BR>\n" );
document.write( "5	x	=	2950					<BR>\n" );
document.write( "/	5							<BR>\n" );
document.write( "x	=	590.00	mph					<BR>\n" );
document.write( "								<BR>\n" );
document.write( "plug value of x in (1)				y				<BR>\n" );
document.write( "3	x		-3	y	=	1650		<BR>\n" );
document.write( "1770			-3	-1770	=	1650		<BR>\n" );
document.write( "-3	y	=	1650					<BR>\n" );
document.write( "-3	y	=	-120	mph				<BR>\n" );
document.write( "	y	=	40.00					<BR>\n" );
document.write( "Plane  	speed	590.00	mph					<BR>\n" );
document.write( "wind   	speed	40.00	mph					<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );