PASCAL 2016 Problem 16

An integer from 10 to 99 inclusive is randomly chosen so that each such integer is equally likely to be chosen. The probability that at least one digit of the chosen integer is a 6 is

Answer Choices
A. \frac15
B. \frac{1}{10}
C. \frac19
D. \frac{19}{90}
E. \frac{19}{89}