document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=327607>Question 327607</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 254 people go to a zoo. tickets are $28 for adults, $12 for kids. total sales are $3864. How many adults went to zoo? How many kids?  I need to know how to work this kind of problem. thank you.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #234660 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=234660\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "Let's have A represent Adults and K be kids. We'll set up 2 equations.<BR>\n" );
document.write( "A+K=254<BR>\n" );
document.write( "28A+12K=3864<BR>\n" );
document.write( "Now we can use substitution method. Use the first equation and set it up as:<BR>\n" );
document.write( "A=254-K<BR>\n" );
document.write( "Plug this into the second:<BR>\n" );
document.write( "28(254-K)+12K=3864<BR>\n" );
document.write( "Are you with me? OK, multiply it out and combine like terms to get:<BR>\n" );
document.write( "7112-16K=3864<BR>\n" );
document.write( "subtract 7112 from both sides:<BR>\n" );
document.write( "-16K=-3248<BR>\n" );
document.write( "Divide both sides by -16 to get:<BR>\n" );
document.write( "203<BR>\n" );
document.write( "Now we know there were 203 kids and <BR>\n" );
document.write( "51 Adults<BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "Check it out to see if it works.<BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );