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English, 12.05.2021 17:10 Jinesha

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 ?
OA. I
O B. 2
Oc: 5
D. 7
E. 12

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A box contains 7 red marbles, 4 white marbles, and 5 blue marbles. If only white marbles are added t...

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