Mathematics, 04.12.2020 17:00 starfox5454
Una compañía minera extrae mineral en dos minas. En la mina A éste contiene 1%
de níquel y 2% de cobre; en la mina B es 2% níquel y 5% cobre.
¿Qué cantidad debemos extraer de cada mina para obtener 4 toneladas de níquel
y 9 de cobre?
Answers: 1
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Una compañía minera extrae mineral en dos minas. En la mina A éste contiene 1%
de níquel y 2% de co...
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