Question

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 8 9 . There are 45 marbles in total in the bag and each is equally likely to be chosen. Work out how many red marbles there must be.

Answer 1

Answer:

40

Step-by-step explanation:

Let there be x red marbles. so 45-x blue marbles.

Now, x/45 = 8/9 so x = 40 = ans.

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