document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23253>Question 23253</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with this problem:<BR>\n" );
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document.write( "From a box of 10 light bulbs, 4 are to be removed. How many different sets<BR>\n" );
document.write( "of 4 bulbs could be removed?<BR>\n" );
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document.write( "I am guessing that if 4 are to be removed from the 10 light bulbs, then 6 will be remaining, 6!; I am stumped on the next step, can you help me?<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 #11990 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=11990\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a \"combination\" problem.  You are choosing<BR>\n" );
document.write( "sets of bulbs.  You are not arranging the bulbs.<BR>\n" );
document.write( "The answer is 10C4 = 10!/[6!*4!] = 210\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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