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Mathematics, 26.06.2020 16:01 uc22912

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 11/12. There are 84 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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There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red ma...
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