document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=990139>Question 990139</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sophie Germain took her life savings ($150) to a tax-free clearance sale at Media Warehouse where she wanted to buy some Blu-Rays and some CDs. She could buy 4 Blu-Rays and 8 CDs and have $6.40 left or she could buy 6 Blu-Rays and 4 CDs and have $3.00 left.\r<BR>\n" );
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document.write( "At this sale, all Blu-Rays are the same price and all CDs are the same price.\r<BR>\n" );
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document.write( "Find the sale price of one Blu-Ray and the sale price of one CD. Type your answer with two decimals. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610248 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=610248\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "B=cost of Blu-Ray; C=cost of CD<BR>\n" );
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document.write( "4B+8C=$150-$6.40<BR>\n" );
document.write( "4B+8C=$143.60 Subtract equation below from this.<BR>\n" );
document.write( "8C=$143.60-4B<BR>\n" );
document.write( "C=$17.95-0.5B<BR>\n" );
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document.write( "6B+4C=$150-$3<BR>\n" );
document.write( "6B+4C=$147 Multiply by 2<BR>\n" );
document.write( "12B+8C=$294 Subtract this from second equation above.<BR>\n" );
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document.write( " ( 4B+8C=$143.60)<BR>\n" );
document.write( "-(12B+8C=$294.00)<BR>\n" );
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document.write( "-8B=-$150.40<BR>\n" );
document.write( "B=$18.80 ANSWER 1: Blu-Rays cost $18.80<BR>\n" );
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document.write( "C=$17.95-0.5B<BR>\n" );
document.write( "C=$17.95-0.5($18.80)<BR>\n" );
document.write( "C=$17.95-$9.40<BR>\n" );
document.write( "C=$8.55 ANSWER 2: CDs cost $8.55.<BR>\n" );
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document.write( "CHECK:<BR>\n" );
document.write( "6B+4C=$147<BR>\n" );
document.write( "6($18.80)+4($8.55)=$147<BR>\n" );
document.write( "$112.80+$34.20=$147<BR>\n" );
document.write( "$147=$147<BR>\n" );
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