document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1157244>Question 1157244</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Problem: Alicia is fundraising for her soccer team by selling popcorn and cookies. She manages to sell 12 tins of popcorn and 21 tubs of cookies for a total of $320.55 on her first day of sales.  The second day she ends up selling more. She sells 15 tins of popcorn and 32 tubs of cookies for a total of $447.55. What was the individual cost of each tin of popcorn and tub of cookies?\r<BR>\n" );
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document.write( "1)List the variables you will use and what they stand for.  Then use those variables to create two equations which represent the problem above.\r<BR>\n" );
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document.write( "2)Solve the system of equations you created in #1 using either the elimination or substitution method. Your answers should be expressed in decimal format with correct units.<BR>\n" );
document.write( "Hint: You should end up with both values of your variables.\r<BR>\n" );
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document.write( "3)Check your answers by plugging the answers for BOTH variables back into BOTH equations.<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 #780081 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=780081\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -----------------<BR>\n" );
document.write( "She manages to sell 12 tins of popcorn and 21 tubs of cookies for a total of $320.55 on her first day of sales. The second day she ends up selling more. She sells 15 tins of popcorn and 32 tubs of cookies for a total of $447.55.<BR>\n" );
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document.write( "p, popcorn tins price<BR>\n" );
document.write( "c, tubs of cookies price\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2812p%2B21c=320.55%2C15p%2B32c=447.55%29 ALIGN=MIDDLE  ALT=\"system%2812p%2B21c=320.55%2C15p%2B32c=447.55%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "5*E1 and 4*E2:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2860p%2B105c=1602.75%2C60p%2B128c=1790.2%29 ALIGN=MIDDLE  ALT=\"system%2860p%2B105c=1602.75%2C60p%2B128c=1790.2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( ".\r<BR>\n" );
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document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=8.15 ALIGN=MIDDLE  ALT=\"c=8.15\"   DISABLED_style= \"max-width:90%; height:auto;\" >    AND  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p=12.45 ALIGN=MIDDLE  ALT=\"p=12.45\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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