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17 January, 18:33

A bag contains 12 red, 30 blue, 20 green, 10 yellow, and 8 black marbles. Nancy chooses 1 marble from the bag. What is the probability that the marble is red, blue, or black?

A. 18

B. 38

C. 58

D. 78

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Answers (1)
  1. 17 January, 20:48
    0
    Step-by-step explanation:

    Total marbles = 12 + 30 + 20 + 10 + 8 = 80

    Probability = 12 + 30 + 8 = 50

    = 50 / 80 = 5 / 8
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