document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=688938>Question 688938</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prices for the movie were $4.00 for children and $8.00 for adults. The total amount of ticket sales was $1176. There were 172 tickets sold.How many adults and children bought tickets?<BR>\n" );
document.write( "c=children and a=adults<BR>\n" );
document.write( "What I tried:<BR>\n" );
document.write( "4c+8a=1176<BR>\n" );
document.write( "c+a=172\r<BR>\n" );
document.write( "\n" );
document.write( "I'm confused on how to solve the number for children tickets I keep getting -40, but I don't think that is right because you can't sell -40 tickets.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #425750 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=425750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4c+8a=1176<BR>\n" );
document.write( "c+a=172<BR>\n" );
document.write( "c=172-a<BR>\n" );
document.write( "4(172-a)+8a=1176<BR>\n" );
document.write( "688-4a+8a=1176<BR>\n" );
document.write( "4a=1176-688<BR>\n" );
document.write( "4a=488<BR>\n" );
document.write( "a=488/4<BR>\n" );
document.write( "a=122 ans. for the number of adult tickets sold.<BR>\n" );
document.write( "c+122=172<BR>\n" );
document.write( "c=172-122<BR>\n" );
document.write( "c=50 ans. for the number of children tickets sold.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "4*50+8*122=1176<BR>\n" );
document.write( "200+976=1176<BR>\n" );
document.write( "1176=1176  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );