document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1203845>Question 1203845</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 20, 32, 47, 57, ?, 80<BR>\n" );
document.write( "Find the missing number of the given series </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #839707 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=839707\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Differences between successive pairs<BR>\n" );
document.write( "12, 15, 10, something, somethingelse\r<BR>\n" );
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document.write( "Try any two-digit number between 57 and 80 not including them.  Otherwise no specific pattern.\r<BR>\n" );
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document.write( "The best possible answers for the unknown  term are any one of:<BR>\n" );
document.write( "67, 68, 69, 70. </SPAN>\n" );
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