Question

opções de resposta:

x=42

x=13,714285718245...

x=13

x=42,5

x=42,71427142...

x=40

​

Answer 1

$\frac{x}{35} = \frac{24}{20}$

$x \times 20 = 20x \: \: \: \: \: 35 \times 24 = 840$

$20x = 840 \\ x = \frac{840}{20} \\ x = 42$

Resp: x é igual a 42.