document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=754449>Question 754449</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A grocery clerk sets up a display of 12-pack cartons of cola. There are 15 cartons at the base of the triangle and one at the top. How many cartons of cola are needed for the complete display?<BR>\n" );
document.write( "A.180<BR>\n" );
document.write( "B.30<BR>\n" );
document.write( "C.120<BR>\n" );
document.write( "D.15 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #459086 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=459086\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A grocery clerk sets up a display of 12-pack cartons of cola. There are 15 cartons at the base of the triangle and one at the top. How many cartons of cola are needed for the complete display?<BR>\n" );
document.write( "1+2+3+...+13+14+15<BR>\n" );
document.write( "= (15/2)(1+15) = 15*8 = 120<BR>\n" );
document.write( "=================================<BR>\n" );
document.write( "cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "A.180<BR>\n" );
document.write( "B.30<BR>\n" );
document.write( "C.120<BR>\n" );
document.write( "D.15<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );