Question

calcule as proporçoes
4 =2
x   8

Answer 1

4----------2

x-----------8

2x = 4*8

2x = 32

x= 32/2

x= 16

Answer 2

Se for regra de três simples...
2x= 8 • 4
2x= 32
x= 32/2
x= 16 ✔