Question
Shannon had some stamp collection. 12 of them were purple and the rest were black. She gave away 121 of the black stamps and 10% of the purple stamps. She then had 25 of her stamp collection left. How many stamps did Shannon give away?
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Shannon had some stamp collection. 12 of them were purple and the rest were black. She gave away 121 of the black stamps and 10% of the purple stamps. She then had 25 of her stamp collection left. How many stamps did Shannon give away?