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Mathematics, 04.02.2021 18:20 gremar0976

Mark has a collection of 1,400 baseball cards. Of these baseball cards, 40% are dated before 1980, 25% are dated from 1980 to 2000, and the rest are dated after 2000. How many baseball cards are dated after 2000?

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Mark has a collection of 1,400 baseball cards. Of these baseball cards, 40% are dated before 1980, 2...
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