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Lê Quốc Trần Anh Coordinator

27/12/2017 at 17:00
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A bookshelf is to hold 6 literature books, 3 geometry books and 7 algebra books, arranged in random order. What is the probability that the books are arranged so that the first book on the shelf is a math book? Express your answer as a common fraction.




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    Alone 27/12/2017 at 18:33

    The total of the books on the bookshelf is:

      6+3+7=16(books)

    So the answer is:\(\dfrac{3+7}{16}=\dfrac{10}{16}=\dfrac{5}{8}\)

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