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Anne said to Betty: "If you give me one marble, we will each have the same number of marbles." Betty said to Anne: "If you give me one marble, I will have twice as many marbles as you will then have."

How many marbles did Anne have before any exchange was made?

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Anne had 3 marbles and Betty had 2, 2+1=3 3+1=4 4 is twice as many as 2
User Andy Obusek
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