document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=325922>Question 325922</A>: <I><SPAN STYLE=\"word-break: break-all;\"> professor Abel corrected 20 papers and found the mean to be 70.  He then corrected 30 more papers and found the mean for this group to be 80.  What is the mean of he combined group of 50 students? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #233360 by </B><A HREF=/tutors/aboutme.mpl?userid=AAfter+Search><B>AAfter Search(61)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=AAfter+Search><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=233360\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Total marks of 20 papers is 20 x 70 = 1400<BR>\n" );
document.write( "Total marks of 30 papers is 30 x 80 = 2400<BR>\n" );
document.write( "Total marks of 50 papers of (1400 + 2400) = 3600<BR>\n" );
document.write( "Mean marks of 50 papers is 3600/50 = 72 </SPAN>\n" );
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