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Mathematics, 18.09.2019 07:30 xxcynthistxx

Gina has 20 collector's stamps. 8 stamps are blue, 6 are red, and 5 have both colors. if a stamp is chosen at random, what is the probability that the stamp has a blue or red color on it?

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Gina has 20 collector's stamps. 8 stamps are blue, 6 are red, and 5 have both colors. if a stamp is...
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