Mathematics, 13.06.2020 22:57, oscarruiz

Plantea el sistema de ecuaciones que modela la situación y resuélvela mediante el método de suma y resta. César hace galletas para vender. Hoy hizo 420 galletas que colocó en 80 bolsas, unas chicas con 4 galletas y otras grandes, con 8 galletas cada una. ¿Cuántas bolsas de cada tamaño llenó?

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Plantea el sistema de ecuaciones que modela la situación y resuélvela mediante el método de suma y r...