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Mathematics, 23.12.2020 01:00 sl1010

Maria and Christine, both teachers, are adding books to their class libraries. Maria's classroom started out with a collection of only 15 books, but she plans to purchase an additional 3 books per week. Christine's library started out with 25 books, and she has enough money in her budget to purchase another 1 book per week. At some point, the two teachers' libraries will contain the same number of books. How many weeks will that take?

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