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Mathematics, 24.04.2020 22:00 HistoryLee

Se desea mezclar agua con Colonia A, con un 12% de alcohol, con otra Colonia B, con 20% de alcohol, para obtener 120 litros de Colonia con un 15% de alcohol. Calcula Cuántos litros de cada clase de Colonia hay que mezclar

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