document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=95621>Question 95621</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Adult tickets for a play cost $20 and child tickets cost $13. If there were 29 people at a performance and the theater collected $510 from ticket sales, how many children attended the play? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #69716 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=69716\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A+C=29 A=29-C<BR>\n" );
document.write( "20A+13C=510 NOW SUBSTITUTE (29-C) FOR A IN THIS EQUATION 7 SOLVE FOR C<BR>\n" );
document.write( "20(29-C)+13C=510<BR>\n" );
document.write( "580-20C+13C=510<BR>\n" );
document.write( "-7C=510-580<BR>\n" );
document.write( "-7C=-70<BR>\n" );
document.write( "C=-70/-7<BR>\n" );
document.write( "C=10 CHILDREN TICKETS SOLD.<BR>\n" );
document.write( "29-10=19 ADULT TICKETS SOLD.<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "20*19=10*13=510<BR>\n" );
document.write( "280+130=510<BR>\n" );
document.write( "510=510\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );