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ElenaW [278]
4 years ago
10

Eric's notebook has 30 pages he wants to write a number on each page how many digits will he right when he numbers all the pages

in the notebook
Mathematics
2 answers:
Vladimir79 [104]4 years ago
6 0
<span> 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.</span>
Mumz [18]4 years ago
5 0
Pages 1-9 have 1 digit each
pages 10-30 have 2 digits each
so 9 pages have 1 and 21 pages have 2
9×1+21×2=9+42=51
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