Mathematics, 28.12.2019 11:31 Geo777

Me 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 in 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 in 3. how many red marbles were originally in the bag?

a 10 red b 2 red c 5 red d 3 red

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Me a bag contains only red and blue marbles. yasmine takes one marble at random from the bag. the pr...