Respuesta :

30% = 30/100 = 0.3

The equation will be:
0.3x = 12
x = 12/0.3
x = 40

Answer:

40

Step-by-step explanation:

12 = [tex]\frac{30}{100}[/tex] x

[tex]\frac{12 * 100}{30}[/tex] = x

x = 40