Mr. Wong is randomly handing out balls to his students. - The bin contains red, blue, and green balls.
- There are more blue balls than red balls.
- The probability of getting a green ball is 75%.

Part A:
How many balls of each color could possibly be in the bin?
__?__ Red balls
__?__ Blue balls
__?__ Green balls
Show your thinking.

Part B:
What is the smallest possible number of balls that could be in the bin? Show your thinking.