Answer:
4/9
Step-by-step explanation:
2+16 = 18 total marbles
16 ÷ 2= 8 plastic marbles
Since there are 18 total marbles and 8 plastic red marbles we can say that there is a probability of 8/18.
8/18 in simplest form is 4/9.
Hope this helps! Brainliest?