(a) To find the rate at which the amount of oil in the well was decreasing when there were 600 , 000 barrels remaining.

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Chapter 9.4, Problem 15P

To determine

(a)

To find the rate at which the amount of oil in the well was decreasing when there were 600,000 barrels remaining.

To determine

(b)

To find when there will be 50000 barrels left.

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