Karen wants to distract her noisy four-year-old child at a restaurant. She pulls out a bag that has 4 black marbles, 8 red marbles, and 9 green marbles. The child likes green marbles. What is the probability Karen will randomly pick a green marble from the bag in one try?

A. 1/3

B. 1/4

C. 2/5

D. 3/7

Question

Karen wants to distract her noisy four-year-old child at a restaurant. She pulls out a bag that has 4 black marbles, 8 red marbles, and 9 green marbles. The child likes green marbles. What is the probability Karen will randomly pick a green marble from the bag in one try?

A. 1/3 

B. 1/4 

C. 2/5 

D. 3/7

anonymous · Answer

need to answer as quick as possible. help needed ! xD

anonymous · Answer

9 of the 21 marbles are green
So it's just 9/21  which simplifies to 3/7

anonymous · Answer

thank you so much your awesome