a bag has 5 red marbles, 2 yellow marbles, and 3 green marbles. What is the probability of drawing a red and green marble in any order (red then green or green then red) without replacing the marble you drew? How did you solve this?

Question

anonymous · Answer

5+2+3= total marbles
5+3=red & green marbles
so the number of red & green marbles/total marbles is your answer

anonymous · Answer

that would be if it was red or green, I need red and green

anonymous · Answer

8/10 is both isn't it?

anonymous · Answer

10 marbles
red, then green:(5/10)(3/9) = 1/6
green, then red: (3/10)(5/9) = 1/6

combined = 1/3