Math
posted by Mike .
A box contains 3 red marbles, 6 blue marbles, and 1 white marble. The marbles are selected at random, one at a time, and are not replaced. Find the probability.
P(red and blue and blue)
Please help me

Math 
S
10 total marbles
3/10 red
1/9 white (since the marble isn't replaced)
So, 3/10 x 1/9 = 1/30
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