PROBLEMA DE MEZCLAS. Matemáticas Básicas

Arithmetic problem, specifically, a mixing problem. This is the statement: "We mix a perfume A of $500/l with a perfume B of $380/l. In what ratio should they be mixed so that the liter costs $420?" More mathematical reasoning exercises:    • PROBLEMAS DE RAZONAMIENTO MATEMÁTICO. Curs...   #mathematicalreasoning #mathematicswithjuan #mathematics