SOLUTION: The output of a particular producing oil well decreases at the continuous rate of 12% per year. How long it will take for the output to fall to 1/5 of its present output?
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Question 863782: The output of a particular producing oil well decreases at the continuous rate of 12% per year. How long it will take for the output to fall to 1/5 of its present output?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
ln(.2)/-.12 = t = 13.412 years
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