document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=270610>Question 270610</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the first 100 even positive integers? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #198232 by </B><A HREF=/tutors/aboutme.mpl?userid=rfadrogane><B>rfadrogane(214)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfadrogane><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=rfadrogane><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=198232\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This problem is a arithmetic progression:<BR>\n" );
document.write( " n = 100 -- the number of entry <BR>\n" );
document.write( " a1 = 2 (since even, so it will start with 2)--this our 1st element<BR>\n" );
document.write( " d = 2 (the common difference), remember that the difference of the succeeding even is 2<BR>\n" );
document.write( "  \r<BR>\n" );
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document.write( "S = n[ a1 + (n-1)d]/2<BR>\n" );
document.write( "  = 100[2 + (100-1)(2)]/2<BR>\n" );
document.write( "S = 10,000 </SPAN>\n" );
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