document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=311969>Question 311969</A>: <I><SPAN STYLE=\"word-break: break-all;\"> admission to the senior class variety show was $3.75 for students and $4.50 for adults. The senior class collected $1680 from the sale of 400 tickets. How many student tickets were sold? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223057 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=223057\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     admission to the senior class variety show was $3.75 for students and $4.50 for adults. The senior class collected $1680 from the sale of 400 tickets. How many student tickets were sold?<BR>\n" );
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document.write( "Let x = number of student tickets sold<BR>\n" );
document.write( "then<BR>\n" );
document.write( "400-x = number of adult tickets sold<BR>\n" );
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document.write( "3.75x + 4.50(400-x) = 1680<BR>\n" );
document.write( "3.75x + 1800 - 4.50x = 1680<BR>\n" );
document.write( "1800 - 0.75x = 1680<BR>\n" );
document.write( "-0.75x = -120<BR>\n" );
document.write( "x = -120/(-0.75)<BR>\n" );
document.write( "x = 160 (student tickets sold)<BR>\n" );
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