I believe it's B because we don't know how big the jar is and it's asking for. a statistical question.
P - q i believe because
p = total average
q = average of ac
x = average of bd
p - q = x
ANSWER
EXPLANATION
We were given that
varies directly as
We can write this mathematically as,
This implies that,
where k is the constant of variation.
This implies that,
The equation becomes
When
The think the answer is D.