Answer: As a fraction it would be 333/ 1,332 and as a decimal it would be 0.25.
Explanation:
1. you add all of the marbles and then you would get 1,332
2. there are 333 blue marbles, so it would be 333/1,332
3. if you want it in decimal form it will be 0.25 if you round that to the nearst tenth it would be 0.3.
4. if you want it in fraction form it will be 333/1,332
I hope this is right. Good luck !.