document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=675515>Question 675515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am struggling with helping my son on his homework. The problem seems to be missing a quantifying statement to will help delineate the problem. The problem reads as follows:\r<BR>\n" );
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document.write( "\" Tickets for a school dance cost $7 in advance and $11 at the door. If 109 students attended the dance and the total spent was $887, how many tickets were bought in advance and how many at the door?\"\r<BR>\n" );
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document.write( "Thanks in advance<BR>\n" );
document.write( "Kevin </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #419886 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=419886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = advance<BR>\n" );
document.write( "y = door<BR>\n" );
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document.write( "x+y = 109<BR>\n" );
document.write( "7x+11y=887<BR>\n" );
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document.write( "rearrange the first equation as x = 109 - y and substitute into the second equation.<BR>\n" );
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document.write( "7(109-y) + 11y = 887<BR>\n" );
document.write( "763 - 7y + 11y = 887<BR>\n" );
document.write( "4y = 887 - 763<BR>\n" );
document.write( "4y = 124<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28y+=+31%29 ALIGN=MIDDLE  ALT=\"highlight_green%28y+=+31%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > tickets sold at the door<BR>\n" );
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document.write( "x = 109 - 31 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28x=78%29 ALIGN=MIDDLE  ALT=\"highlight_green%28x=78%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > tickets in advance<BR>\n" );
document.write( ".....................<BR>\n" );
document.write( "Delighted to help.<BR>\n" );
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document.write( " </SPAN>\n" );
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