Homework Help: Math

Posted by Tyler on Tuesday, February 26, 2008 at 10:10pm.

The page numbers in a book use 810 Digits. If the book starts with page #1 how many pages are in the book.

I think it's a trick question, because digits is underlined. Is the answer 810? What does it mean by uses 810 Digits?

Math - brandon, Tuesday, February 26, 2008 at 10:22pm
yes you are correct
Math - drwls, Tuesday, February 26, 2008 at 10:23pm
It there were 99 pages, the number of digits used would be 9 (with one digit) + 2x90 (with two digits) = 189. Each additional page will require 3 digits, and you need 621 more digits. That requires 207 more numbers. That would make the number of pages 306. Check my thinking.

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