document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=172042>Question 172042</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help with this problem using a formula?\r<BR>\n" );
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document.write( "Find the sum of the even integers between -50 and 200 including them, that is, -50+(-48)+(-46)+...+198+200.\r<BR>\n" );
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document.write( "Thanks.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #127084 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=127084\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Can you help with this problem using a formula? <BR>\n" );
document.write( "Find the sum of the even integers between -50 and 200 including them, that is, -50+(-48)+(-46)+...+198+200. <BR>\n" );
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document.write( "That's a total of 126 numbers. 1 + (200 - (-50))/2 = 126\r<BR>\n" );
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document.write( "The average is (200 + (-50))/2 = 75.<BR>\n" );
document.write( "So the total is 126*75 = 9,450.\r<BR>\n" );
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