A leaky cylindrical oil can has a diameter of 4 inches and a height of 6 inches. The can is full of oil and is leaking at a rate of 2 in.^3/hr. The oil leaks into an empty conical cup with a diameter of 8 in. and a height of 8 in.
A. At what rate is the depth of the oil in the conical cup rising when the oil in the cup is 3 inches deep?
B. When the oilcan is empty, what is the depth of the oil in the conical cup?
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