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Mathematics 19 Online
OpenStudy (anonymous):

A bag contains 4 blue marbles, 2 black marbles, and 3 red marbles. If a marble is randomly drawn from the bag, what is probability that it is NOT black?

OpenStudy (anonymous):

the ratio of the number of not black marbles to the total number of marbles

OpenStudy (anonymous):

How many marbles are there?

OpenStudy (anonymous):

idk

OpenStudy (anonymous):

me neither. :)

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