Seudónimo Seudónimo

09-08-2016
Mathematics

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The pages of a book are numbered consecutively from 1 to 275. How many times is the digit 8 used in numbering the pages?

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texaschic101 texaschic101

09-08-2016

8,18,28,38,48,58,68,78, = 8 times
80,81,82,83,84,85,86,87,88,89 = 11 times (counting 88 as 2 eights)
98 = 1
100 to 200 = 20
208,228,238,248,258,268 = 6

8 + 11 + 1 + 20 + 6 = 46...I am getting 46 eights

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