document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=895093>Question 895093</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1149 people are in an auditorium.  Based on that fact alone, we know at least n of them were born in a year with the same last digit.\r<BR>\n" );
document.write( "\n" );
document.write( "What is n? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #542928 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=542928\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1149/10 = 114.9\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Therefore it is guaranteed that 115 people have a birth year with the same units digit, by Pigeonhole. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );