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Mathematics, 27.06.2020 23:01 senituliii
Una pieza de metal está formada por dos tipos de acero. El acero A contiene un 5 % de níquel, y el acero B que contiene 40%. ¿Que cantidad de cada acero será necesario para obtener 70 toneladas de un nuevo metal que contenga 30 % de níquel?
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Una pieza de metal está formada por dos tipos de acero. El acero A contiene un 5 % de níquel, y el a...
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