The ratio of the red cards to black cards in a
deck is 3:10 2 more red cards are added to the
...
Mathematics, 30.11.2020 18:50 pr4ever
The ratio of the red cards to black cards in a
deck is 3:10 2 more red cards are added to the
deck. The ratio of red cards to black cards is
now 1:3 Work out the number of black cards
in the deck.
Answers: 3
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