document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=419050>Question 419050</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the system of equations using gaussian elimination or gauss-jordan elimination.<BR>\n" );
document.write( "1.  x-6y=23<BR>\n" );
document.write( "    2x-6y=28\r<BR>\n" );
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document.write( "2.  Ellen wishes to mix candy worth $3.44 per pound with candy worth $9.96 per pound to form 24 pounds of a mixture worth $8.33 per pound. How many pounds of the more expensive candy should she use?\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 #293129 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=293129\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.  x-6y=23<BR>\n" );
document.write( "    2x-6y=28<BR>\n" );
document.write( "..................\r<BR>\n" );
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document.write( "x-6y=23	.............1	<BR>\n" );
document.write( "2x-6y=28.............2	<BR>\n" );
document.write( "								<BR>\n" );
document.write( "multiply (1)by 	1			<BR>\n" );
document.write( "Multiply (2) by -1			<BR>\n" );
document.write( "x-6y=23		<BR>\n" );
document.write( "-2x+6y=	-28		<BR>\n" );
document.write( "								<BR>\n" );
document.write( "Add the two equations								<BR>\n" );
document.write( "								<BR>\n" );
document.write( "-x=-5		<BR>\n" );
document.write( "								<BR>\n" );
document.write( "/-1							<BR>\n" );
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document.write( "x=5						<BR>\n" );
document.write( "								<BR>\n" );
document.write( "plug value of x in (1)								<BR>\n" );
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document.write( "x-6y=23		<BR>\n" );
document.write( "5-6y=23		<BR>\n" );
document.write( "-6y=23-5<BR>\n" );
document.write( "-6y=18		<BR>\n" );
document.write( "y=-3		\r<BR>\n" );
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document.write( ".....<BR>\n" );
document.write( "2.  Ellen wishes to mix candy worth $3.44 per pound with candy worth $9.96 per pound to form 24 pounds of a mixture worth $8.33 per pound. How many pounds of the more expensive candy should she use?\r<BR>\n" );
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document.write( "3.44	----------------	x<BR>\n" );
document.write( "9.96	----------------	24-x<BR>\n" );
document.write( "8.33	----------------	24<BR>\n" );
document.write( "....................\r<BR>\n" );
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document.write( "3.44x+9.96(24-x)=8.33*24<BR>\n" );
document.write( "3.44x+239.04-9.96x=199.92		<BR>\n" );
document.write( "3.44x-9.96x=199.92-239.04		<BR>\n" );
document.write( "-6.52x	=-39.12							<BR>\n" );
document.write( "/-6.52										<BR>\n" );
document.write( "x=6 pounds of $3.44 candy		<BR>\n" );
document.write( "18 pounds of $9.96 candy		<BR>\n" );
document.write( "		\r<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );