Question
Peter bought 2 bags of marbles. In each bag, there were 11 marbles. He used 5 of the marbles and gave some of them to his sister. 12 of his marbles were then left. What fraction of the marbles he bought were given to his sister?
4 m

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Peter bought 2 bags of marbles. In each bag, there were 11 marbles. He used 5 of the marbles and gave some of them to his sister. 12 of his marbles were then left. What fraction of the marbles he bought were given to his sister?