Respuesta :

olumideolawoyin

Answer:

4/5

Step-by-step explanation:

There are 3 green marbles, 7 red marbles and 5 white marbles = 3 + 7 + 5 = 15

Probability of pulling a white or red marble =

(5 + 7) / 15 = 12/15

= 4/5