document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=742611>Question 742611</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is Sn for the arithmetic series with d=-4, an=27, and n=9\r<BR>\n" );
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document.write( "a.360<BR>\n" );
document.write( "b.387<BR>\n" );
document.write( "c.418<BR>\n" );
document.write( "d.451 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452600 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=452600\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sn= n/2[2a+(n-1)d]\r<BR>\n" );
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document.write( "=>9/2[54+32]\r<BR>\n" );
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document.write( "=>387<BR>\n" );
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