Mathematics, 21.08.2019 15:30, HyperZ

5books and 9 magazines cost $150.50 altogether. 9 books and 5 magazines cost $175.70. how much does 1 book and 1 magazine cost?

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5books and 9 magazines cost $150.50 altogether. 9 books and 5 magazines cost $175.70. how much does...