document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1118741>Question 1118741</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me to solve this numbers 50,51,52...70 using this formula SN=N/2(a1+an) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #734158 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=734158\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have the sequence and you have the formula for what you want.  Nothing more needed.\r<BR>\n" );
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document.write( "You KNOW already, it is Arithmetic Sequence, according to general term  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%2B1%2A%28n-1%29 ALIGN=MIDDLE  ALT=\"50%2B1%2A%28n-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > for index n.  You can determine how many terms are in your given sequence.  Next, just USE THE CORRECT SUMMATION FORMULA. </SPAN>\n" );
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