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SAT
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Norton is picking a book to read. Of the books he has, 14 are scifi. He will pick one book at random. If the probability that the selected book is scifi is 35%, how many books are on his shelf?

Feb 12th, 2015

35/100=14

100/100=?

1*14*100/35

=40 books

Feb 12th, 2015

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Feb 12th, 2015
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Feb 12th, 2015
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