document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=353604>Question 353604</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the average of nine numbers is 72 and the average of four of them is 40. what is the average of the other 5?\r<BR>\n" );
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document.write( "How do I show the workings for this question? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #252663 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=252663\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "Let a, b, c, and d represent the four numbers with an average of 40<BR>\n" );
document.write( "(a+b+c+d)/2 =40<BR>\n" );
document.write( "(a+b+c+d) =80<BR>\n" );
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document.write( "let u,v,w,y and z represent the remaining of the nine numbers<BR>\n" );
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document.write( "questions states<BR>\n" );
document.write( "[(a+b+c+d) + (u+v+w+y+z)]/ 2 = 72<BR>\n" );
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document.write( "[(a+b+c+d) + (u+v+w+y+z)]= 144<BR>\n" );
document.write( "80 + (u+v+w+y+z) = 144<BR>\n" );
document.write( "(u+v+w+y+z) = 64<BR>\n" );
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document.write( "(u+v+w+y+z)/2 = 32 (the average of the remaining five numbers)<BR>\n" );
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document.write( "check your answer<BR>\n" );
document.write( "(80 + 64)/2 = 72 </SPAN>\n" );
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