Mathematics
Mathematics, 21.09.2019 22:10, SMNS625

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw.

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Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size....

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