document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=849428>Question 849428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a grocery store clerk is stacking soup cans. The bottom row has 21 cans. each additional row has 2 fewer soup cans than the previous row. if there are 8 rows, how many soup cans will the clerk have to stack? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #512960 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=512960\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> S = ½(2(21) + -2(7))8<BR>\n" );
document.write( "S = 112<BR>\n" );
document.write( "a = 21 + (8-1)-2<BR>\n" );
document.write( "a=21-2*7<BR>\n" );
document.write( "last row will have 7 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );