document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=288309>Question 288309</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At a Grade 8 graduation dance, 11 friends ask the photographer to take<BR>\n" );
document.write( "pictures of them  two at a time. If each of the friends has his/her picture<BR>\n" );
document.write( "taken with each of the other people, then the minimum number of pictures<BR>\n" );
document.write( "that could be taken is\r<BR>\n" );
document.write( "\n" );
document.write( "(a) 11 (b) 21 (c) 22 (d) 55 (e) 110 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #208966 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=208966\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At a Grade 8 graduation dance, 11 friends ask the photographer to take<BR>\n" );
document.write( "pictures of them two at a time. If each of the friends has his/her picture<BR>\n" );
document.write( "taken with each of the other people, then the minimum number of pictures<BR>\n" );
document.write( "that could be taken is<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Pick the 1st person: 11 ways<BR>\n" );
document.write( "Pick the 2nd person: 10 ways<BR>\n" );
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document.write( "Total number of pairs: 11*10 = 110<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================================== <BR>\n" );
document.write( "(a) 11 (b) 21 (c) 22 (d) 55 (e) 110<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );