document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=465555>Question 465555</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this question :\r<BR>\n" );
document.write( "\n" );
document.write( "     The total of marks of all students in one class is 2795 and average is 65.<BR>\n" );
document.write( "How many student are in that class ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #319622 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=319622\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If we let S1, S2, S3, ..., Sn be the scores of the n students, we can say that their sum is 2795, and the average (the sum of the scores divided by n) is 65. In other words,\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \frac{S_1 + S_2 + ... + S_n}{n} = 65\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \frac{2795}{n} = 65\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE 65n = 2795 \Rightarrow n = 43\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "43 students in the class. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );