Question
Ivory had 6 times as many cards as Dana at first. After Ivory gave 45 cards to Dana, they each had the same number of cards in the end. How many cards did Dana have in the end?
3 m

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Ivory had 6 times as many cards as Dana at first. After Ivory gave 45 cards to Dana, they each had the same number of cards in the end. How many cards did Dana have in the end?