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Mathematics 13 Online
OpenStudy (anonymous):

On one shelf of a bookshelf, there are 4 mystery books, 5 science-fiction books, 9 non-fiction books, and 8 reference books. If Janie was to select a book from the shelf at random, what is the probability that she would choose a mystery or a reference book? A. 2/13 B. 6/13 C. 16/13 D. 4/13

OpenStudy (anonymous):

6/13

OpenStudy (anonymous):

Thank You @Dr.GregoryHouse

OpenStudy (anonymous):

No problem...

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