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4 years ago

11

A bag contains 3 red marbles, 5 green marbles and 7 blue marbles. If Janelle picks one marble out of the bag, what is the probab

ility that the marble is red?

1 answer:

lisabon 2012 [21]4 years ago

8 0

3+5+7 = 15 total marbles

3 are red

so she has a 3/15 reduces to 1/5 probability of picking a red one

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