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Mathematics, 13.05.2021 20:00 DrizzyN2899

A box contains 7 red marbles, 4 white marbles, and 5 blue marbles. If only white marbles are added to the box, how many must be added to make the probability of drawing a white marble ş?
A: 1
B: 2
C: 5
D. 7
E: 12

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Answers: 1

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