document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=836193>Question 836193</A>: <I><SPAN STYLE=\"word-break: break-all;\"> kelly can select one or more of the following 4 toppings to put on his hamburger: cheese, onions, pickles, and tomatoes. if he selects one or more, how many different combinations of toppings can he have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #504121 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=504121\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 2^4 = 16 ways he can select any combination of toppings (Kelly can select cheese or no cheese, onions or no onions, etc.). However this includes the case where he selects no toppings, so we subtract 1. 16 - 1 = 15 combinations. </SPAN>\n" );
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