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Mathematics, 12.11.2019 05:31 shamika109p61p5s
If alvin sold 60% of his baseball cards, gave away 30% of those that were left, and still had 40 baseball cards in his possession, how many baseball cards did alvin have to begin with?
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If alvin sold 60% of his baseball cards, gave away 30% of those that were left, and still had 40 bas...
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