document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1023381>Question 1023381</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I determine the next number in the following sequence:<BR>\n" );
document.write( "131, 130, 127, 118\r<BR>\n" );
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document.write( "I know the answer is 81 but I cannot figure out how/why </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #638864 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=638864\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are subtracting off increasing powers of three...<BR>\n" );
document.write( "Minus 1, minus 3, minus 9, minus 27 gives 91, not 81.  <BR>\n" );
document.write( "There is a mistake somewhere. </SPAN>\n" );
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