document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=894666>Question 894666</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A group pupil took part in a quiz and scored an average of 38 marks.when one of the pupils 48 marks was excluded the average marks would become 36.how many pupils took part in the quiz? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #542328 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=542328\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Q:<BR>\n" );
document.write( "A group pupil took part in a quiz and scored an average of 38 marks.when one of the pupils 48 marks was excluded the average marks would become 36.how many pupils took part in the quiz?<BR>\n" );
document.write( "A:<BR>\n" );
document.write( "Let x = number of pupils<BR>\n" );
document.write( "(38x - 48)/(x - 1) = 36<BR>\n" );
document.write( "38x - 48 = 36x - 36<BR>\n" );
document.write( "38x - 36x = 48 - 36<BR>\n" );
document.write( "2x = 12<BR>\n" );
document.write( "x = 6<BR>\n" );
document.write( "6 pupils </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );