document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=254371>Question 254371</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A music store is selling compact disks for $11.50 and $7.50. You buy<BR>\n" );
document.write( "    12 disks and spend a total of $110.  How many compact disks that cost<BR>\n" );
document.write( "    $11.50 did you buy?<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 #186721 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=186721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> s+e=12<BR>\n" );
document.write( "s=12-e<BR>\n" );
document.write( "s*7.50+e*11.50=110\r<BR>\n" );
document.write( "\n" );
document.write( "(12-e)*7.50+e*11.50=110<BR>\n" );
document.write( "Solve for e<BR>\n" );
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