At a used-book sale, 99 books are adult's books and 163 are children's books. Of the adult books, 75 are nonfiction while 60 of the children's books are nonfiction. If a book is selected at random, find the probability that it is an adult's book or a children's nonfiction book. OA0.770992 OB. 0.71374 OC.0.60687 O D.0.484733

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