document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=665207>Question 665207</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A book has 500 pages numbered 1, 2, 3, and so on. How many times does the digit 1 appear in the page numbers? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #413837 by </B><A HREF=/tutors/aboutme.mpl?userid=kevwill><B>kevwill(135)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=kevwill><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=kevwill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=413837\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In the first 99 pages there are:<BR>\n" );
document.write( "1 one in the first 9 pages, <BR>\n" );
document.write( "11 ones in pages 10-19 (one each for 10 and 12-19, and two for 11)<BR>\n" );
document.write( "8 ones in pages 20-99 (21, 31, 41, 51, 61, 71, 81, and 91)<BR>\n" );
document.write( "So we have 20 ones in the first 99 pages.<BR>\n" );
document.write( "  <BR>\n" );
document.write( "Likewise we have 20 ones in pages 200-299, 20 ones in pages 300-399, and 20 ones in pages 400-499.  There are 0 ones on page 500.<BR>\n" );
document.write( "  <BR>\n" );
document.write( "For pages 100-199, there are 100 ones for the hundreds digits in addition to the 20 ones found in the tens and ones digits.<BR>\n" );
document.write( "  <BR>\n" );
document.write( "So we have a total of 20 + 120 + 20 + 20 + 20 = 200 ones on the page numbers.<BR>\n" );
document.write( " </SPAN>\n" );
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