# 10th grade

posted by
**tune** on
.

mary has a bag which contains 5 green marbles, 7 red marbles, and 9 blue marbles. without looking what is the probability of her pulling a red or a green marble

posted by
**tune** on
.

mary has a bag which contains 5 green marbles, 7 red marbles, and 9 blue marbles. without looking what is the probability of her pulling a red or a green marble