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8 votes
There is a bag with only red marbles and blue marbles.

The probability of randomly choosing a red marble is
7
9
.
There are 28 red marbles in the bag and each is equally likely to be chosen.
Work out how many marbles in total there must be.


User Issaki
by
5.0k points

1 Answer

8 votes
28 red marbles now you have 24 to likely be chosen
User Thrag
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