SOLUTION: A hat contains 40 marbles. Of them, 18 are red and 22 are green. If one marble is randomly selected out of this hat, what is the probability that this marble is a. red b. green?

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Question 1171199: A hat contains 40 marbles. Of them, 18 are red and 22 are green. If one marble is randomly selected out of this hat, what is the probability that this marble is
a. red b. green?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
a. For red, it will be 18/40 or 45%
b. for green, it is 100%-45% or 55% or 22/40.