Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well. Initially there were 3 million barrels of oil in the well; six years later 1,500,000 barrels remain. Answer the following:
1.) At what rate was the amount of oil in the well decreasing when there were 1,800,000 barrels remaining?
2.) When will there be 150,000 barrels remaining?
1.) At what rate was the amount of oil in the well decreasing when there were 1,800,000 barrels remaining?
2.) When will there be 150,000 barrels remaining?