Question

x supra 12 egal 0,36 supra 0,72
Determinati x

Answer 1

x/12=0,36/0,72
x=12×0,5=6
.

Answer 2

x / 12 = 0,36 / 0,72 
x/12 = 1/2 
2x = 12 
x = 12 : 2 
x = 6 

6/12 = 0,36/0,72