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Mathematics, 31.08.2021 18:50 jarvinmcgillp3dhni

5. Formula una proporción con cada uno de los siguientes enunciados a. Si 4 libros cuestan $32000, ¿cuánto costarán 2 docenas de los mismos libros
b. Cuatro obreros hacen un trabajo en 12 días. ¿En cuántos días podrán hacer la misma
obra 7 obreros?

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