document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=677396>Question 677396</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Three of four numbers have a sum of 22. If the average of the four numbers is 8, what is the fourth number? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #420885 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=420885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Three of four numbers have a sum of 22.<BR>\n" );
document.write( "a + b + c = 22<BR>\n" );
document.write( ":<BR>\n" );
document.write( " If the average of the four numbers is 8,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a+%2B+b+%2B+c+%2B+d%29%2F4 ALIGN=MIDDLE  ALT=\"%28a+%2B+b+%2B+c+%2B+d%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 8<BR>\n" );
document.write( "Replace a + b + c with 22<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2822+%2B+d%29%2F4 ALIGN=MIDDLE  ALT=\"%2822+%2B+d%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 8<BR>\n" );
document.write( "multiply both sides by 4<BR>\n" );
document.write( " 22 + d = 32<BR>\n" );
document.write( "d = 32 - 22<BR>\n" );
document.write( "d = 10 is the fourth number? </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );