Kendra has 5 red marbles, 4 blue marbles, and 3 white marbles. What is the probability that she draws a red marble and then a blue marble without replacing the first marble? *
Total 12 marbles 5 are red 5/12 chance red on first draw
now there are 11 marbles left 4 are blue 4/11 chance blue on second draw
5/12 * 4/11 = .........