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3 years ago

8

John has 12 marbles of different colors, including one red, one green, and one blue marble. in how many ways can he choose 4 mar

bles, if exactly one of the chosen marbles is red, green, or blue?

2 answers:

Svetach [21]3 years ago

8 0

Answer:

252

Step-by-step explanation:

AoPs

Savatey [412]3 years ago

7 0

3 ways (uncertain)
1 red or blue or green + 3 other colours

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