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Mathematics, 18.03.2021 01:20 lex4395

A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The probability that she takes a red marble is 1/5 Yasmine returns the marble to the bag and adds five more red marbles to the bag. The probability that she takes one red marble at random is now 1/3
How many marbles were there originally in the bag?

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A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The proba...

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