document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=602613>Question 602613</A>: <I><SPAN STYLE=\"word-break: break-all;\"> out of 7 books on a shelf how many groups of 3 can be made </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #380345 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=380345\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C(n,r) = (n!)/(r!(n-r)!)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "C(7,3) = (7!)/(3!*(7-3)!)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "C(7,3) = (7!)/(3!*4!)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "C(7,3) = (7*6*5*4!)/(3!*4!)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "C(7,3) = (7*6*5)/(3!)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "C(7,3) = (7*6*5)/(3*2*1)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "C(7,3) = (210)/(6)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "C(7,3) = 35\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So 35 groups of 3 can be made. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );