Michael has $42. Michael gives away half the money to his brother. His brother then buys 3 dollars worth of candy. If his brother has $35 left, how much money, in dollars, did his brother have at first? Think carefully first, then make a decision:
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Michael gives away 42 / 2 = 21 dollars. Before buying candy, his brother has 35 + 3 = 38 dollars. His brother had 38 - 21 = 17 dollars at first. So, the answer is 17.
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