Mike decides to do more pull-ups to increase his strength for climbing. He uses the greasing the groove technique where every time he goes into a certain room he does 2 pull-ups. He decides to use his office. He goes in there 5 times a day every day. How many pull-ups does he do a week? Let's think first. Chain of thought:
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He does 5 * 2 = 10 pull - ups a day. So he does 10 * 7 = 70 pull - ups a week.
Therefore, the answer is 70.
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