I would go with A. 0.06 but I am not 100% sure.
The answer is 16.5 hope this helps!
8 edges and 8 verticles i guess
If there's 100 cookies, of which there are 40 oatmeal raisin and 10 sugar cookies, there are 50 out of 100 cookies which you want. Hence by chance, there is a 50/100, or 1 in 2 chance of you obtaining an oatmeal raisin or a sugar cookie.