math
posted by unknown on .
A box holds 2 blue marbles and 6 red marbles. How many and what color marbles could you remove from the bag to make the probability of picking red 1/2?

I would remove 4 red marbles. That leaves 2 blue, 2 red.
posted by unknown on .
A box holds 2 blue marbles and 6 red marbles. How many and what color marbles could you remove from the bag to make the probability of picking red 1/2?
I would remove 4 red marbles. That leaves 2 blue, 2 red.