document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184291>Question 1184291</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each problem and show the solutions.\r<BR>\n" );
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document.write( "1.find the sum of the first 20 integers<BR>\n" );
document.write( "2.find the sum of the first 30 even integers<BR>\n" );
document.write( "3.find the sum of the integers from 4 to 128 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814872 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814872\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. This is n(n+1)/2=20*21/2=210<BR>\n" );
document.write( "2. This is n(n+1)=30*31=930<BR>\n" );
document.write( "3. sum from 4 to 128<BR>\n" );
document.write( "Sum of first 128 is 128*129/2=8256<BR>\n" );
document.write( "sum of first 3 is 6<BR>\n" );
document.write( "the difference is the answer, or 8250. </SPAN>\n" );
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