document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285783>Question 285783</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Each year on Colin’s birthday (since his first birthday), he celebrates with a birthday cake and the number of candles on the cake is always equal to his age. If he has had a total of 253 candles on his birthday cakes, how old is he?\r<BR>\n" );
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document.write( "A.22 B. 20 C. 24 D. 19 E. None of these.\r<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 #207309 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=207309\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 253=n*(n+1)/2<BR>\n" );
document.write( "506=n*(n+1)<BR>\n" );
document.write( "n=22<BR>\n" );
document.write( "A. 22<BR>\n" );
document.write( "1+2+3+4+ 19+20+21+22=253<BR>\n" );
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