pls help thx

A bag contains 1 red, 2 blue, and 3 green marbles. Two marbles are drawn from the bag without replacement.

Based on the tree diagram, what is the probability that a GREEN marble and then a RED marble is drawn? (in simplest fraction form)
A)
1
5
B)
1
10
C)
3
10
D)
4
11

pls help thx A bag contains 1 red 2 blue and 3 green marbles Two marbles are drawn from the bag without replacement Based on the tree diagram what is the proba class=