The manager at a car dealership is tracking the selling prices of two different used car models. When the tracking began, the price of model A was less than 8,000, and the selling price of model B was at most $10,000. The manager has determined that the price of model A is decreasing at a rate of 12% each year, and the price of model B is decreasing at a rate of 15% each year. which system of inequalities can be used to determine after how many years, t, that the selling price, y, will be the same for both car models?