document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=831673>Question 831673</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A concert was attended by 449 people and total sales were $4748. Adult tickets $12 and Children tickets $7.  How many of each ticket bought? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #501536 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=501536\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A concert was attended by 449 people and total sales were $4748. Adult tickets $12 and Children tickets $7. How many of each ticket bought?<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Quantity: a + c = 449<BR>\n" );
document.write( "Value:  12a +7c = 4748<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Modify for elimination:<BR>\n" );
document.write( "12a + 12c = 12*449<BR>\n" );
document.write( "12a + 7c  = 4748<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Subtract and solve for \"c\":<BR>\n" );
document.write( "5c = 640<BR>\n" );
document.write( "c = 128 (# of children's tickets sold)<BR>\n" );
document.write( "------<BR>\n" );
document.write( "a + c = 449<BR>\n" );
document.write( "a + 128 = 449<BR>\n" );
document.write( "a = 321 (# of adult tickets sold)<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );