document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=947503>Question 947503</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Stefan's school is selling tickets to the annual dance competition. On the first day of ticket sales the school sold 13 adult tickets and 2 student tickets for a total of $78. The school took in $143 on the second day by selling 13 adult tickets and 7 student tickets. Find the price of an adult ticket and the price of a student ticket. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #578167 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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/cgi-bin/show-face.mpl?user=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=578167\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A=Adult tickets; S=Student tickets<BR>\n" );
document.write( "13A+2S=$78<BR>\n" );
document.write( "13A+7S=$143 Subtract the two equations<BR>\n" );
document.write( "-5S=-$65  Divide each side by -5<BR>\n" );
document.write( "S=$13 ANSWER 1: Student tickets cost $13.<BR>\n" );
document.write( "Substitute in one of the equations to find A, use the other to check:<BR>\n" );
document.write( "13A+2S=$78<BR>\n" );
document.write( "13A+2($13)=$78<BR>\n" );
document.write( "13A+$26=$78 Subtract $26 from each side.<BR>\n" );
document.write( "13A=$52  Divide each side by 13<BR>\n" );
document.write( "A=$4 ANSWER 2: Adult tickets cost $4.<BR>\n" );
document.write( "CHECK<BR>\n" );
document.write( "13A+7S=$143<BR>\n" );
document.write( "13($4)+7($13)=$143<BR>\n" );
document.write( "$52+$91=$143<BR>\n" );
document.write( "$143=$143 <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );