document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1060307>Question 1060307</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Jurassic Zoo charges &#8203;$15 for each adult admission and &#8203;$3 for each child. The total bill for the 75 people from a school trip was &#8203;$477. How many adults and how many children went to the&#8203; zoo? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #675283 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=675283\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+c = 75 subtract c from both sides:<BR>\n" );
document.write( "a = 75-c<BR>\n" );
document.write( "and<BR>\n" );
document.write( "15a+3c = 477<BR>\n" );
document.write( "substitute for a:<BR>\n" );
document.write( "15(75-c)+3c = 477<BR>\n" );
document.write( "1125-15c+3c = 477<BR>\n" );
document.write( "-12c = -648<BR>\n" );
document.write( "c = 54 this is the number of children that went to the zoo. <BR>\n" );
document.write( "And 75-54 = 21 adults<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "54*3 = 162<BR>\n" );
document.write( "21*15 = 315<BR>\n" );
document.write( "Total= 477 Correct<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );