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OpenStudy (anonymous):
The books in a private library are classified as fiction and nonfiction. There are 400 books in the library. There are 40 more fiction books than nonfiction books. Audrey randomly picks a book. A few minutes later, Ryan randomly picks one of the remaining books. What is the probability that both pick nonfiction books? 180 × 189 400 × 400 180 × 179 400 × 399 180 × 179 400 × 400 180 × 189 400 × 399
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