It should be half antifreeze and then half water because you have to mix together
X is 0 so that means you answer would be 3+0=3
The probability of hitting it once is the ratio of the bullseye area to the whole target.
So 144/484=.2975
For it to happen twice in a row, would be this squared which is .088=.09 or 9%
C=πr²
c=22/7*28²
c=22/7*784
c=(22*784)/7
c=22*112=2464