SOLUTION: A marble is chosen at random from a bag containing 10 green, 5 blue, and 7 yellow marbles. What is the probability that the marble is red?

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Question 233283: A marble is chosen at random from a bag containing 10 green, 5 blue, and 7 yellow marbles. What is the probability that the marble is red?
Answer by Edwin McCravy(20059) About Me  (Show Source):