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Mathematics, 26.01.2021 14:00 Aarislasha

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is
6 over 7 as a fraction.
There are 30 red marbles in the bag and each is equally likely to be chosen.
Work out how many marbles in total 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...

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