document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=824109>Question 824109</A>: <I><SPAN STYLE=\"word-break: break-all;\"> John had $30,000to invest. He invest part of this money in bonds paying 12% annual simple interest and the rest of the money in saving account giving 4% annual interest. at the end of the year he received $2,400 as extra income. how much money did John place in each investment. show your work \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #496400 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=496400\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Part I	12.00%		per annum	-------------	Amount invested =x	<BR>\n" );
document.write( "Part II	4.00%		per annum	------------	Amount invested = y	<BR>\n" );
document.write( "	30000					<BR>\n" );
document.write( "Interest-----	2400.00					<BR>\n" );
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document.write( "Part I	12.00%		per annum	---x		<BR>\n" );
document.write( "Part II	4.00%		per annum	---y		<BR>\n" );
document.write( "Total investment						<BR>\n" );
document.write( "x	+	1	y=	30000	-------------1	<BR>\n" );
document.write( "Interest on both investments						<BR>\n" );
document.write( "12.00%	x	+	4.00%	y=	2400	<BR>\n" );
document.write( "Multiply by		100				<BR>\n" );
document.write( "12	x	+	4	y=	240000.00	--------2<BR>\n" );
document.write( "Multiply (1) by			-12			<BR>\n" );
document.write( "we get						<BR>\n" );
document.write( "-12	x	-12	y=	-360000.00		<BR>\n" );
document.write( "Add this to (2)						<BR>\n" );
document.write( "0	x	-8	y=	-120000		<BR>\n" );
document.write( "divide by		-8				<BR>\n" );
document.write( "			y	=	15000	<BR>\n" );
document.write( "Part I	12.00%	$	15000			<BR>\n" );
document.write( "Part II	4.00%	$	15000			<BR>\n" );
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document.write( "CHECK						<BR>\n" );
document.write( "15000	---------	12.00%	-------	1800.00		<BR>\n" );
document.write( "15000	-------------	4.00%	-------	600.00		<BR>\n" );
document.write( "Total			--------------------	2400.00		<BR>\n" );
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document.write( "m.ananth@hotmail.ca						<BR>\n" );
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