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Mathematics, 11.09.2019 19:10 azireyathurmond1
Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well. initially there were 5 million barrels of oil in the well; six years later 2,500,000 barrels remain.
(a) at what rate was the amount of oil in the well decreasing when there were 3,000,000 barrels remaining?
rate = (? ) barrels/year
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