document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=60988>Question 60988</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a printing comapny sells small packages of personalized stationery for 7$ each, medium packages for 12$, and large packages for 15$ each. yesterday,the company sold 9 packages of stationary , collecting a total of $86. three times as many medium packages were sold large packages.\r<BR>\n" );
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document.write( "a.let s represent the number of small packages , m the number of medium packages, and l the number of large packages. write a system of three equations that represents the number of packages sold.\r<BR>\n" );
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document.write( "b.find the number of each size packages sold. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #41906 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=41906\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> s + m + l = 9<BR>\n" );
document.write( "7s + 12m + 15l = 86<BR>\n" );
document.write( "m = 3l<BR>\n" );
document.write( "Substitute:<BR>\n" );
document.write( "s + 3l + l = 9<BR>\n" );
document.write( "s + 4l = 9 which can later be substituted as s = 9 - 4l<BR>\n" );
document.write( "Substitute:<BR>\n" );
document.write( "7s + 12(3l) + 15l = 86<BR>\n" );
document.write( "7s + 36l + 15l = 86<BR>\n" );
document.write( "7s + 51l = 86<BR>\n" );
document.write( "Substitute:<BR>\n" );
document.write( "7(9 - 4l) + 51l = 86<BR>\n" );
document.write( "63 - 28l + 51l = 86<BR>\n" );
document.write( "23l = 23<BR>\n" );
document.write( "l = 1<BR>\n" );
document.write( "Remember:<BR>\n" );
document.write( "m = 3l<BR>\n" );
document.write( "m = 3<BR>\n" );
document.write( "Remember:<BR>\n" );
document.write( "s + m + l = 9<BR>\n" );
document.write( "s + 3 + 1 = 9<BR>\n" );
document.write( "s = 5 </SPAN>\n" );
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