Mathematics, 29.01.2020 19:00 20guadalupee73248

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?

b) when will there be 250,000 barrels remaining?

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Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well....