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Mathematics, 22.05.2020 04:04 KindaSmartPersonn

Tenemos dos clases de harina, la primera a 4 euros el kilogramo y la segunda a 6 euros el kilogramo. ¿Qué cantidad de cada clase debemos poner si queremos obtener 6 kg de harina y venderla a 5 euros el kg?

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Tenemos dos clases de harina, la primera a 4 euros el kilogramo y la segunda a 6 euros el kilogramo....
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