During the economic downturn in 2008, the price of a stock, A(x), over an 18-month period decreased and then increased according to the equation A(x) = 0.70x2 - 6x + 15, where x equals the number of months. The price of another stock, B(x), increased according to the equation B(x) = 2.75x + 1.50 over the same 18-month period. State all prices, to the nearest dollar, when both stock values were the same.