document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=19184>Question 19184</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A movie theater sells adult tickets at $5.50 a ticket and $3.50 for a childs ticket. How many of each ticket was sold if 21 tickets were bought for $83.50 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #9238 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=9238\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> adults = x <BR>\n" );
document.write( "childern = y<BR>\n" );
document.write( "x+y=21<BR>\n" );
document.write( "y=21-x (equation 1)\r<BR>\n" );
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document.write( "5.5x+3.5y=83.5 (sub in equation 1)<BR>\n" );
document.write( "5.5x+3.5(21-x)=83.5<BR>\n" );
document.write( "5.5x+73.5-3.5x=83.5<BR>\n" );
document.write( "2x+73.5-73.5=83.5-73.5<BR>\n" );
document.write( "2x=10(divide both sides by 2)<BR>\n" );
document.write( "x=5<BR>\n" );
document.write( "21-5 = 16<BR>\n" );
document.write( "Therefore there were 5 adults and 16 childerns\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );