document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=779641>Question 779641</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if A={a,b,c,d,e} then write the number of proper subsets of A<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 #475327 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=475327\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since A has 5 elements, the number of subsets of A is 2^5 = 32\r<BR>\n" );
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document.write( "Then the number of proper subsets of A is 32 -1 = 31\r<BR>\n" );
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document.write( "Answer: 31\r<BR>\n" );
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