document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=872850>Question 872850</A>: <I><SPAN STYLE=\"word-break: break-all;\"> given that the nine numbers 16, w, 17, 9, x, 2, y, 7 and z have a mean of 11, find the mean of w,x,y and z </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #526471 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=526471\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given that the nine numbers 16, w, 17, 9, x, 2, y, 7 and z have a mean of 11, find the mean of w,x,y and z<BR>\n" );
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document.write( "\"the nine numbers 16, w, 17, 9, x, 2, y, 7 and z have a mean of 11\", so this means\r<BR>\n" );
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document.write( "(16 + w + 17 + 9 + x + 2 + y + 7 + z)/9 = 11\r<BR>\n" );
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document.write( "(51 + w + x + y + z)/9 = 11\r<BR>\n" );
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document.write( "51 + w + x + y + z = 11*9\r<BR>\n" );
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document.write( "51 + w + x + y + z = 99\r<BR>\n" );
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document.write( "w + x + y + z = 99-51\r<BR>\n" );
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document.write( "w + x + y + z = 48\r<BR>\n" );
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document.write( "The sum of w,z,y,z is 48. So the average of the 4 values is \r<BR>\n" );
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document.write( "(w + x + y + z)/4 = 48/4\r<BR>\n" );
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document.write( "(w + x + y + z)/4 = <font size=4 color=\"red\">12</font> </SPAN>\n" );
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