document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=811534>Question 811534</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I currently am working on a problem I created myself to solve an augmented matrix. The rules confuse me and I always end up switching rows that should not be switched and only getting one of the answers right. Can you please help me? Here is my problem:<BR>\n" );
document.write( "A school hosts a fun run. At this year's fun run, tickets are 25$ for adults and $15 for children. The school had 500 people attend and made a profit of $10,000. How many children and adults ran the race?<BR>\n" );
document.write( "Thank you so much!<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #488778 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=488778\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> strictly speaking you didn't give enough info. You said the profit was 10000.<BR>\n" );
document.write( "But you didn't say anything about amount received nor expenses.<BR>\n" );
document.write( "You probably mean that 10,000 was taken in( received).<BR>\n" );
document.write( "a+c=500, <BR>\n" );
document.write( "25a+15c=10000\r<BR>\n" );
document.write( "\n" );
document.write( "a = 250,   c = 250<BR>\n" );
document.write( "There were 250 adults and 250 children </SPAN>\n" );
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