Question
Yoko had some stamp collection. 13 of them were black and the rest were red. She gave away 187 of the red stamps and 10% of the black stamps. She then had 25 of her stamp collection left. How many stamps did Yoko give away?
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Yoko had some stamp collection. 13 of them were black and the rest were red. She gave away 187 of the red stamps and 10% of the black stamps. She then had 25 of her stamp collection left. How many stamps did Yoko give away?