document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1018404>Question 1018404</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the concession stand sell pizza and drinks during football games.  Jack bought 4 drinks and 6 slices of pizza and paid $6.70.  Amy bought 4 slices of pizza and 3 drinks and paid  $4.65.  what price is each drink and each slice of pizza? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #634520 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=634520\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4D+6P=670\r<BR>\n" );
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document.write( "3D+4P=465\r<BR>\n" );
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document.write( "Multiply first equation by 3, the second by 4\r<BR>\n" );
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document.write( "12D+18P=2010\r<BR>\n" );
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document.write( "12D+16P=1860\r<BR>\n" );
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document.write( "Now subtract second from first.\r<BR>\n" );
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document.write( "2P=150\r<BR>\n" );
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document.write( "P=75\r<BR>\n" );
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document.write( "Substitute into first. \r<BR>\n" );
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document.write( "4D+6(75)=670\r<BR>\n" );
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document.write( "4D+450=670\r<BR>\n" );
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document.write( "4D=220\r<BR>\n" );
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document.write( "D=55  </SPAN>\n" );
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