document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=519279>Question 519279</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Marco invests his summer earnings of $2440. He invests part of the money at 8% per year and the rest at 7.5% per year. After one year these investments earned $193 in simple interest. How much did Marco invest at each rate? \r<BR>\n" );
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document.write( "My solution also has to have \"let\" statements.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #345490 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=345490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Investment I	8.00%		per annum	---x					<BR>\n" );
document.write( "Investment II	7.50%		per annum	---y					<BR>\n" );
document.write( "									<BR>\n" );
document.write( "x		+	y=	2440	------------------------1				<BR>\n" );
document.write( "8.00%	x	+	7.50%	y=	=	$193.00			<BR>\n" );
document.write( "Multiply by 		100							<BR>\n" );
document.write( "8	x	+	7.5	y=	=	$19,300.00		--------2	<BR>\n" );
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document.write( "Multiply (1) by			-8						<BR>\n" );
document.write( "we get									<BR>\n" );
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document.write( "-8	x	-8	y=	=		-19520.00			<BR>\n" );
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document.write( "Add this to (2)									<BR>\n" );
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document.write( "-0.5y=	=-$220.00			<BR>\n" );
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document.write( "divide by		-0.5							<BR>\n" );
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document.write( "y	=$440.00 investment at 	7.50%<BR>\n" );
document.write( "Balance			$2,000.00 investment at 	8.00%<BR>\n" );
document.write( "CHECK									<BR>\n" );
document.write( "$2,000.00	---------	8.00%	-------	$160.00					<BR>\n" );
document.write( "$440.00	-------	7.50%	-------	$33.00					<BR>\n" );
document.write( "Total			--------------	$193.00					\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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