To find the number for which 3% equals 12, we can set up the equation 0.03×x=120.03 \times x = 120.03×x=12. Solving for xxx will give us the number we are looking for.
Queremos encontrar el número x x x tal que el 3% 3\% 3% de x x x sea igual a 12 12 12. Esto se puede expresar matemáticamente como: 0.03⋅x=12 0.03 \cdot x = 12 0.03⋅x=12
Para encontrar x x x, despejamos la variable en la ecuación anterior: x=120.03 x = \frac{12}{0.03} x=0.0312
Realizando la división, obtenemos: x=400 x = 400 x=400
La respuesta es x=400 \boxed{x = 400} x=400.
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