document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1024478>Question 1024478</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 8 blue balls, 8 yellow balls and 8 red balls of the same type inside a sack. How many balls must be pulled out to ensure that we get a pair of yellow balls? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #639854 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=639854\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "There are 8 blue balls, 8 yellow balls and 8 red balls of the same type inside a sack. How many balls must be pulled out to ensure that we get a pair of yellow balls?<BR>\n" );
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document.write( "8 + 8 + 2 = 18 balls.\r<BR>\n" );
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document.write( "In the worst case you will pull out 8 blue balls and 8 red balls before first yellow ball will arise. \r<BR>\n" );
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document.write( "But after that you will pull out only yellow balls, in reward!\r<BR>\n" );
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