Eric's notebook has 30 pages. He wants to writes a number on each page. How many digits will he write when he numbers all the pages in the notebook?
A. 9 B. 29 C. 49 D. 51
D.) 51 Because if there was two numbers for each page there would be 60 page numbers but there is pages 1-9 so you subtract 9 from 60 to get your answer.
