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satela [25.4K]
3 years ago
13

Rhianna and Myra, both teachers, are adding books to their class libraries. Rhianna's classroom started out with a collection of

only 11 books, but she plans to purchase an additional 2 books per week. Myra's library started out with 6 books, and she has enough money in her budget to purchase another 3 books per week. At some point, the two teachers' libraries will contain the same number of books. How many books will each class have? How many weeks will that take?
Mathematics
1 answer:
Hunter-Best [27]3 years ago
3 0

Answer:

21 books; 5 weeks

Step-by-step explanation:

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Step-by-step explanation:

For this problem, you can use the point-slope formula: y-y1=m(x-x1), with x1 and y1 being from the given coordinate, and m being the slope (which is 3 that can be seen in the equation). Since we're finding a line that is parallel to this line, the slopes of both equations are the same.

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