Question
Fiona bought some cards. She gave 13 of the cards to her sister and sold 34 of the remaining cards. After that, she bought another 200 cards and had the same number of cards that she bought at first. How many cards did Fiona buy at first?
4 m

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Fiona bought some cards. She gave 13 of the cards to her sister and sold 34 of the remaining cards. After that, she bought another 200 cards and had the same number of cards that she bought at first. How many cards did Fiona buy at first?