Amy places a set of number cards 1 through 30 in a bag. she draws out a card what is the probability that the number will have the digit 1 on it?

Answer 1

you need to count how many cards will have the digit one on it for example 1, 10, 11, 12 etc and it's however many cards out of 30. So final answer would be ?/30

Answer 2

answer has to be showm as a decimal
would that be .66
20/30=2/3=.66