A bag has 3 red marbles, 2 blue, 1 yellow and 4 green what is the probability of drawing a red or green

0.7

Step-by-step explanation:

Total marbles: 10

P(red or green) = 7/10 = 0.7

7/10

Step-by-step explanation:

3 red marbles, 2 blue, 1 yellow and 4 green = 10 marbles

red or green = 3+4 = 7 marbles

P(red or green) = red or green / total

                          = 7/10

i am not sure :

step-by-step explanation:

its kinda hard to answer this when we dont have all the information that we need.