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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
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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.

User Sophocles
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1 Answer

4 votes
4 votes
65 marbles...............
User Aram Papazian
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3.2k points
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