document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=535570>Question 535570</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man travels 370 KM partly by train and partly  by car. If he covers 250 KM by train and the rest by car. it takes him 4 Hours. But if he travels 130 KM by train and rest by car. he taken 18 minut longer. Find the speed of the train and that of the car. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #351961 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=351961\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "250/x + 120/y =4\r<BR>\n" );
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document.write( "substitue 1/x with a & 1/y with b<BR>\n" );
document.write( "250a+120b=4\r<BR>\n" );
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document.write( "130/x + 140/y = 4.3\r<BR>\n" );
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document.write( "130a+140b=4.3\r<BR>\n" );
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document.write( "250    	a	+	120	b	=	4	.............1	<BR>\n" );
document.write( "130	a	+	140	b	=	4.3	.............2	<BR>\n" );
document.write( "Eliminate y								<BR>\n" );
document.write( "multiply (1)by 		-7						<BR>\n" );
document.write( "Multiply (2) by		6						<BR>\n" );
document.write( "-1750	a		-840	b	=	-28		<BR>\n" );
document.write( "780	a	+	840	b	=	25.8		<BR>\n" );
document.write( "Add the two equations								<BR>\n" );
document.write( "-970	a				=	-2.2		<BR>\n" );
document.write( "/	-970							<BR>\n" );
document.write( "a	=	0.00227						<BR>\n" );
document.write( "plug value of 			a	in (1)				<BR>\n" );
document.write( "250    	a	+	120	b	=	4		<BR>\n" );
document.write( "0.57		+	120	b	=	4		<BR>\n" );
document.write( "			120	b	=	4		-0.57<BR>\n" );
document.write( "			120	b	=	3.43		<BR>\n" );
document.write( "				b	=	0.02861		<BR>\n" );
document.write( "x=1/a= 1/0.00227= 440 km/h-------------Train<BR>\n" );
document.write( "y=1/b=1/0.02861= 35 km/h-------------- Car\r<BR>\n" );
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document.write( "CHECK<BR>\n" );
document.write( "130/440 +140/35= 4.3 hours\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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