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What is the probability of selecting a blue marble from a jar that contains 9 blue marbles 6 red marbles and 5 green marbles

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icemask

Answer:

9/20

Step-by-step explanation:

add all the marbles together which equals to 20 then subtract the number of blue marbles which is 9 so you have a 9 in 20 chance to get a blue marble

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