document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=453514>Question 453514</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the first 40 terms of the arithmetic sequence: 13, 19, 25, 31, ...  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311585 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=311585\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the first 40 terms of <BR>\n" );
document.write( "the arithmetic sequence: 13, 19, 25, 31, ...<BR>\n" );
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document.write( "Find the 40th term:<BR>\n" );
document.write( "a(40) = 13 + (39)6 = 247<BR>\n" );
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document.write( "Find the sum:<BR>\n" );
document.write( "S(40) = (40/2)(13+247) = 20*260 5200<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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