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Ben has a bag of peanuts. He's not sure how many, but he knows there are more than 25. Also, Ben makes promises to two friends. He promises to give ten peanuts to one friend and to share his peanuts equally with the other friend. Ben cannot decide which friend to visit first. Ben would like to keep as many peanuts as possible for himself, and still keep his promises. What advice would you give Ben?




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