document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=341685>Question 341685</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Compact discs cost $16.99 each and cassette tapes cost $8.99 each. If the total bill equaled $78.93, how many of each were bought? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #244727 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=244727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 16.99x+8.99y=78.93<BR>\n" );
document.write( "7*99=#.93 <BR>\n" );
document.write( "Therefore:<BR>\n" );
document.write( "x+y=7 or x=7-y<BR>\n" );
document.write( "16.99(7-y)+8.99y=78.93<BR>\n" );
document.write( "118.93-16.99y+8.99y=78.93<BR>\n" );
document.write( "-8y=78.99-118.93<BR>\n" );
document.write( "-8y=-40<BR>\n" );
document.write( "y=40/8=5 tapes were bought.<BR>\n" );
document.write( "x=7-5=2 discs were bought.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "16.99*2+8.99*5=78.93<BR>\n" );
document.write( "33.98+44.95=78.93<BR>\n" );
document.write( "78.93=78.93 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );