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Mathematics 23 Online
OpenStudy (anonymous):

Fred has 8 black pens, 4 red pens, and 15 pencils in his desk drawer. If he reaches into his desk drawer and randomly selects something to write with, what is the probability that he will grab a pen?

OpenStudy (compassionate):

Okay, so there are 12 pens total, and 15 pencils. What can you conclude from this?

OpenStudy (leonardo0430):

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