The worst case is that she draws:
8 reds, followed by
4 greens (still no blue yet).
Can you take it from here?
grace has 16 in her pocket. she has 8 red ibesm 4 green ones, and 4 blue ones. what is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?
3 answers
is the answer 12?
With 12, and in the worst case, you only have two colours. So how many do you need to get the third colour?