A) In general, at what rate is the volume of the ship’s oil decreasing? What is the rate of change of the volume when the spill is at 500 feet? (Volume of oil decreasing = volume of oil increasing)

B) If the oil were to leak at an average rate of that found in part A, how long will it take if the hole in the tank is no repaired before all of the oil has leaked out? (Give answer in number of days.) Note: the hole is in the very bottom of the tank.

C) A little bit of good new. The hole was quite small and it has been plugged. The oil has stopped leaking. Now we must work fast to confine the oil spill when the tank was still half full? Put into perspective how big the oil spill is –how far across the spill is it?

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