document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=482499>Question 482499</A>: <I><SPAN STYLE=\"word-break: break-all;\"> So I know this should be extremely easy, but for some reason I am brain dead. Simple question, need to know how to solve. \r<BR>\n" );
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document.write( "Find the arithmetic sum 2+5+8+...+101.\r<BR>\n" );
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document.write( "Thanks!\r<BR>\n" );
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document.write( "Jessica </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #330311 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=330311\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the arithmetic sum 2+5+8+...+101. <BR>\n" );
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document.write( "a(1) = 2<BR>\n" );
document.write( "d = 3<BR>\n" );
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document.write( "Find the number of the term that equals 101:<BR>\n" );
document.write( "2 + (n-1)3 = 101<BR>\n" );
document.write( "3n-3 = 99<BR>\n" );
document.write( "3n = 102<BR>\n" );
document.write( "n = 34<BR>\n" );
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document.write( "Find the sum:<BR>\n" );
document.write( "S(n) = (n/2)(1st + last)<BR>\n" );
document.write( "S(34) = 17(2+101)<BR>\n" );
document.write( "S(34) = 17(103) = 1751<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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