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Abookstore makes a profit of $2.50 on each book they sell, and $0.75 on each magazine they sell. one week, the store sold x books and y magazines, for a weekly profit of $450. the total number of publications sold that week was 260. write and solve a system of equations to determine the number of books and magazine that the bookstore sold that week.
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Abookstore makes a profit of $2.50 on each book they sell, and $0.75 on each magazine they sell. one...
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