xSupr3mee xSupr3mee 12-05-2021 English contestada 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