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Mathematics, 23.10.2020 20:40 twistedhyperboles

Una escuela compró varios ejemplares del libro A, que cuesta $200.00, y del libro B, que cuesta $150.00. Compró en total 120 libros y pagó $20,500.00 por ellos. ¿Cuántos ejemplares de cada libro compró

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Una escuela compró varios ejemplares del libro A, que cuesta $200.00, y del libro B, que cuesta $150...

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