document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=122443>Question 122443</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The drama club sold 800 tickets to their spring play. Floor seats cost $10 each & balcony seats cost $8 each. Ticket sales were $7440. How many floor seat tickets were sold?\r<BR>\n" );
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document.write( "please help me! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89888 by </B><A HREF=/tutors/aboutme.mpl?userid=gems><B>gems(12)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=gems><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=89888\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x be the number of tickets for Floor seats<BR>\n" );
document.write( "    y be the number of tickets for Balcony seats\r<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "             x +  y =  800<BR>\n" );
document.write( "           10x + 8y = 7440\r<BR>\n" );
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document.write( "By substitution method<BR>\n" );
document.write( "           x + y = 800   or x = 800 - y\r<BR>\n" );
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document.write( "Substitute to 10x + 8y = 7440<BR>\n" );
document.write( "              10(800-y) + 8y = 7440<BR>\n" );
document.write( "              8000 - 10y + 8y = 7440<BR>\n" );
document.write( "                   -2y = 7400 - 8000<BR>\n" );
document.write( "                   -2y = - 560<BR>\n" );
document.write( "                     y = 280\r<BR>\n" );
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document.write( "If y = 280 then x = 800 - y, or x = 800 - 280<BR>\n" );
document.write( "then x = 520\r<BR>\n" );
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document.write( "So there were 520 Floor seats sold </SPAN>\n" );
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