Mathematics, 09.03.2021 14:00, iamsecond235p318rq

Cards in a pack are black or red in the ratio black : red = 2:5
What fraction of the cards are red?

$Cards in a pack are black or red in the ratio black : red = 2:5 What fraction of the cards are re$

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Cards in a pack are black or red in the ratio black : red = 2:5
What fraction of the cards ar...