Question
Emily bought some marbles. She gave 15 of the marbles to her cousin and sold 27 of the remaining marbles. After that, she bought another 45 marbles and had the same number of marbles that she bought at first. How many marbles did Emily buy at first?
4 m

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Emily bought some marbles. She gave 15 of the marbles to her cousin and sold 27 of the remaining marbles. After that, she bought another 45 marbles and had the same number of marbles that she bought at first. How many marbles did Emily buy at first?