document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1094790>Question 1094790</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At the city museum, child admission is <BR>\n" );
document.write( "$5.80<BR>\n" );
document.write( " and adult admission is <BR>\n" );
document.write( "$9.90<BR>\n" );
document.write( ". On Monday, four times as many adult tickets as child tickets were sold, for a total sales of <BR>\n" );
document.write( "$1271.20<BR>\n" );
document.write( ". How many child tickets were sold that day? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #709366 by </B><A HREF=/tutors/aboutme.mpl?userid=Katarekt><B>Katarekt(3)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Katarekt><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=709366\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let c be # of child tickets sold<BR>\n" );
document.write( "Let a be # of adult tickets sold\r<BR>\n" );
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document.write( "a=4c (eq. 1)<BR>\n" );
document.write( "1271.20=5.80c+9.90a (eq. 2)<BR>\n" );
document.write( "sub eq. 1 into eq. 2, since a=4c<BR>\n" );
document.write( "1271.20=5.80c+9.90(4c)<BR>\n" );
document.write( "1271.20=5.80c+39.60c<BR>\n" );
document.write( "1271.20=45.40c<BR>\n" );
document.write( "1271.20/45.40=c<BR>\n" );
document.write( "c=28\r<BR>\n" );
document.write( "\n" );
document.write( "Therefore, 28 child tickets were sold that day.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );