document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=787926>Question 787926</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A movie theater has 2 ticket prices: 11$ for adults and 6$ for children. On a certain weekend, the theater sold 500 tickets for a total of 3900$. How many tickets of each kind 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 #478369 by </B><A HREF=/tutors/aboutme.mpl?userid=wilft1><B>wilft1(217)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=wilft1><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=wilft1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=478369\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for this one your going to have to use 2 equations,  you have 2 ticket prices that sold 500 total, so that equation will be\r<BR>\n" );
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document.write( "a  +  c  = 500\r<BR>\n" );
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document.write( "second equation, adult ticket prices were 11 dollars, and children prices were 6 dollars, for a total of 3900 dollars, so that equation will be...\r<BR>\n" );
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document.write( "11a + 6c = 3900\r<BR>\n" );
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document.write( "lets solve using elimination method\r<BR>\n" );
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document.write( "a  + c  = 500<BR>\n" );
document.write( "11a + 6c =  3900\r<BR>\n" );
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document.write( "we want to get rid of one of our variables, so lets multiply the top line by -6\r<BR>\n" );
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document.write( "-6a - 6c  = -3000<BR>\n" );
document.write( "11a + 6c  = 3900\r<BR>\n" );
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document.write( "lets add the two lines up thereby eliminating 6c\r<BR>\n" );
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document.write( "5a = 900\r<BR>\n" );
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document.write( "divide both sides by 5\r<BR>\n" );
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document.write( "a = 180\r<BR>\n" );
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document.write( "now that we know the value of a, we can plug that into our original equation to find out the value of c\r<BR>\n" );
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document.write( "11(180) + 6c = 3900\r<BR>\n" );
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document.write( "1980 + 6c = 3900\r<BR>\n" );
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document.write( "6c = 1920\r<BR>\n" );
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document.write( "c = 320\r<BR>\n" );
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document.write( "plug in both values to doublecheck their accuracy, but your total ticket sales are....\r<BR>\n" );
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document.write( "180 adult tickets, and 320 children tickets. </SPAN>\n" );
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