document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=909997>Question 909997</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a school fund raiser 10 students in class A sold an average of 4 boxes of cookies, In class B 15 students sold an average of 9 boxes.  what is the average number of boxes of cookies sold by the 25 students...  I added 4+9=13/2 and did not have the right answer...which is 7 please explain.. Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552201 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=552201\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 10*4=40<BR>\n" );
document.write( "15*9=135<BR>\n" );
document.write( "135+40=175/25=7<BR>\n" );
document.write( "Average boxes per person is total boxes divided by total number of people. More people sold 9 boxes so it will lean towards 9 </SPAN>\n" );
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