The price of Stock A at 9 A.M. was ​$15.21. Since​ then, the price has been increasing at the rate of ​$0.07 each hour. At noon the price of Stock B was ​$15.96. It begins to decrease at the rate of ​$0.15 each hour. If the two rates​ continue, in how many hours will the prices of the two stocks be the​ same?



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