document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=868886>Question 868886</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average of x,y,z and 40 is 10. What is the average of 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 #523874 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=523874\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Average the four given values\r<BR>\n" );
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document.write( "(x+y+z+40)/4 = 10\r<BR>\n" );
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document.write( "Then isolate x+y+z\r<BR>\n" );
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document.write( "(x+y+z+40)/4 = 10<BR>\n" );
document.write( "x+y+z+40 = 10*4<BR>\n" );
document.write( "x+y+z+40 = 40<BR>\n" );
document.write( "x+y+z = 40-40<BR>\n" );
document.write( "x+y+z = 0\r<BR>\n" );
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document.write( "Then divide this sum by 3 to average x,y,z\r<BR>\n" );
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document.write( "(x+y+z)/3 = 0/3<BR>\n" );
document.write( "(x+y+z)/3 = 0\r<BR>\n" );
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document.write( "So they average out to 0. </SPAN>\n" );
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