Mike began to train to play basketball every day for a tournament. One day he plays a maximum of 2 hours. After a week of training, he increased the maximum time to 3 hours. How many hours did Mike train during the first two weeks? Let's think first. Chain of thought:
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One week is 7 days, so for one week, Mike trained for 7 * 2 = 14 hours. The second week he began to train for 3 hours a day, so he trained for 7 * 3 = 21 hours. That means Mike in total trained for 21 + 14 = 35 hours.
Therefore, the answer is 35.
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