1.5 deep.
you subtract 2.25 of air space from the total depth 3.75
3.75-2.25=1.5
.81 and 2.63 if you divide them
The answer would be 8 1/10.
81 divided by 10 = 8r.1 (your whole number)
Your remainder then goes as your numerator.
Well a conditional probability is the probability of an event ( A ), given that another ( B ) has already occurred. So I would have to say that A is the answer since you rolled an odd number the probability of it being a 3 is 1 in 3