document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=577196>Question 577196</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve the following:\r<BR>\n" );
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document.write( "Adult tickets for a play cost $25 each and children's tickets cost $15 each. The total receipts were $7,200 and the total attendance was 400. How many adults and how many children attended?\r<BR>\n" );
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document.write( "I set up the system as:<BR>\n" );
document.write( "25x+15y=7200<BR>\n" );
document.write( "x+y=400\r<BR>\n" );
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document.write( "I then tried to substitute the second equation into the first as x=400+y, which gave me y=-175. That's where I knew I was wrong, but I don't know what else to do. And I can see this questions been asked but I'm having a very hard time following them. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #370110 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=370110\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + y = 400 ___ subtracting y ___ x = 400 - y ___ minus, not plus </SPAN>\n" );
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