Question

The pages of a book are numbered 1, 2, 3,... . In total it takes 852 digits to number all the pages of the book. What is the number of the last page

Answer 1

Step-by-step explanation:

a=1 d=1 last digit=852 n=?

An=a+(n-1)d

852=1+(n-1)1

852=1+1n-1

852=1n

n=852