Question: An oil-storage tank is emptied at a constant rate. At 10 a.m., 1800 barrels remain, and at 2 p.m., 600 barrels remain. If pumping started

An oil-storage tank is emptied at a constant rate. At 10 a.m., 1800 barrels remain, and at 2 p.m., 600 barrels remain. If pumping started at 8 a.m., find the equation relating the number of barrels n at time t (in h) from 8 a.m. When will the tank be empty?

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