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Mathematics, 23.02.2021 17:40 luvberries2276

1 of 5 There is a bag with only red marbles and blue marbles.
The probability of randomly choosing a red marble is 7/9
There are 63 marbles in total in the bag and each is equally likely to be chosen.
Work out how many red marbles there must be.

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1 of 5 There is a bag with only red marbles and blue marbles.
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