Mathematics, 28.06.2021 18:20, isaiah1027

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 3/8.
There are 72 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 m...