An oil spill's area can be modeled with the exponential equation A = 50 x (1.2) where t is time in days and A is the area in square miles. What will the area of the spill be after 7 days? Round to the nearest square mile. When the area of the spill exceeds 500 square miles, it will endanger local sea life. After about how many days will the spill have an area of at least 500 square miles? Round to the nearest whole number