document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007773>Question 1007773</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Q20. A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 8 slices of pizza and 4 soft drinks for $29.40. The second group bought 7 slices of pizza and 6 soft drinks for $30.30. How much does one slice of pizza cost?\r<BR>\n" );
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document.write( "    a. $2.26 per slice of pizza<BR>\n" );
document.write( "    b. $2.76 per slice of pizza<BR>\n" );
document.write( "    c. $2.33 per slice of pizza<BR>\n" );
document.write( "    d. $1.83 per slice of pizza\r<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 #623634 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=623634\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Linear system of equations in two variables.<BR>\n" );
document.write( "x for price of pizza slice<BR>\n" );
document.write( "y for price of drink\r<BR>\n" );
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document.write( "Account for the number of items in a group;<BR>\n" );
document.write( "Account for cost in a group;<BR>\n" );
document.write( "Those are the equations. Solve for x and y.\r<BR>\n" );
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document.write( "The first group:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%288x%2B4y=29.40%2Cx%2By=8%2B4%29 ALIGN=MIDDLE  ALT=\"system%288x%2B4y=29.40%2Cx%2By=8%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The second group:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%287x%2B6y=30.30%2Cx%2By=13%29 ALIGN=MIDDLE  ALT=\"system%287x%2B6y=30.30%2Cx%2By=13%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The solutions for the two systems should be the same. </SPAN>\n" );
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