document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=499163>Question 499163</A>: <I><SPAN STYLE=\"word-break: break-all;\"> at 12 noon, the teacher sent home 1/3 of the students plus 6. At 1pm, she sent home 1/4 of the remaining students.At 2pm, she sent home the last 21 students. How many students were originally in school 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 #337433 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=337433\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Total 	x											<BR>\n" );
document.write( "12 PM	  1/ 3	x+	6 were sent away<BR>\n" );
document.write( "Remainder=	x	-	 1/3x-	6<BR>\n" );
document.write( "Balance in class  2/ 3x-6									<BR>\n" );
document.write( "1PM	she sent away  1/ 2*( 2/3x-6)				<BR>\n" );
document.write( "Balance in class 2/3x-6	-(0.33x	+3)			<BR>\n" );
document.write( "	  1/ 3	x-3	<BR>\n" );
document.write( "2.00PM   She sent away 21					<BR>\n" );
document.write( "2 PM	 1/3	x	-3	-21	=	0							<BR>\n" );
document.write( "  1/ 3	x-	24	=	0									<BR>\n" );
document.write( "  1/ 3	x=	24											<BR>\n" );
document.write( "x=	72												<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );