There are 5 red marbles, 8 blue marbles, and 12 green marbles in a bag.

What is the theoretical probability of randomly drawing either a red marble or a blue marble?

20%

32%

13%

52%

52%

Step-by-step explanation:

First we have to find the total:

5 + 8 + 12 = 25

Now we have to add how many red and how many blue marbles.

5 + 8 = 13.

Now you can tell that 13 > 12 so we can predict that the answer is 52%

However, lets go ahead and divide 13 from 25

13/25 =.52

This means that the answer is 52%!

~CaityConcerto