SOLUTION: how many times shall the keys of a typewriter have to pressed in order to write first 200 counting numbers ,i.e., to write 1,2,3,... up to 200

Question 1120088: how many times shall the keys of a typewriter have to pressed in order to write first 200 counting numbers ,i.e., to write 1,2,3,... up to 200
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

9 of the first 200 positive integers have one digit. 90 of them have 2 digits. 101 of them have 3 digits.

John

My calculator said it, I believe it, that settles it

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