Cards in a pack are black or red in the ratio
black: red = 2:5
What fraction of the cards are...
Mathematics, 27.01.2021 18:10 Jade2209
Cards in a pack are black or red in the ratio
black: red = 2:5
What fraction of the cards are red?
a) 7/10
b) 2/5
c) 5/7
d) 2/7
pls help
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