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Mathematics, 13.11.2020 20:20 Alysssssssssssa

Andrew had a collection of 300 baseball cards at the beginning of the summer. After the summer, Andrew had traded some of his baseball cards and now he has only 213 baseball cards.

What is the percent decrease of his baseball card collection?

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Andrew had a collection of 300 baseball cards at the beginning of the summer. After the summer, And...
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