Answer:
9
Explanation:
8+3+1=12
12-3=9
umm ok i think i got it wrong or overcomplicated it lol
hope this helped
3/4
Probability
8 red marbles, 3 blue marbles, and 1 green marble = 12 total marbles
8 red marbles+ 1 green marble = 9 not blue marbles
P ( not blue ) = not blue marbles / total marbles
= 9/12 = 3/4
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