Mathematics, 20.05.2021 23:20 james828

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a blue marble is 8 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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There is a bag with only red marbles and blue marbles. The probability of randomly choosing a blue m...