Based in your question where as the oil is pumped continuously from the well at a rate proportional to the amount of the oil left in the well. so the answer of the following questions are: A.1 is to 200,000 B.5 years
The altitude of the kite: h = 5 + 250 · sin 45° h = 5 + 250 · √2 / 2 h = 5 + 250 · 0.7071 = 5 + 176.77 = 181.77 ≈ 182 ft Answer: The altitude is 183 ft.