Respuesta :

Answer:

b=16

Step-by-step explanation:

75%=75/100=3/4

3/4*b=12

b=12/1*4/3

b=16

Answer: b = 16

Step-by-step explanation:

Another way to solve is cross multiplication. 3/4 = 12/b. 12 x 4 = 48; 48 ÷ 3 = 16.