document.write( "Question 175253: In numbering the pages of a book, a printer uses 522 digits. How many numbered pages does the book have? \n" ); document.write( "
Algebra.Com's Answer #130341 by josmiceli(19441)\"\" \"About 
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pages 1-9 are 9 pages that use 9 digits
\n" ); document.write( "pages 10-99 are 90 pages that use 2*90 = 180 digits
\n" ); document.write( "The whole book has 522 digits, so the number remaining is
\n" ); document.write( "522 - (180 + 9) = 333 digits
\n" ); document.write( "All the pages from 100-999 have 3 digits each
\n" ); document.write( "333/3 = 111 pages used
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\n" ); document.write( "9 pages use 9 digits
\n" ); document.write( "90 pages use 180 digits
\n" ); document.write( "111 pages use 333 digits
\n" ); document.write( "The book has 9 + 90 + 111 = 210 pages
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