Question

matematica ll ........​

Answer 1

Resposta:

1) C

3) C

Explicação passo-a-passo:

1)

$\frac{5}{5 + 2 + 3 + 5} \\ \frac{5}{15 } = \frac{1}{3}$

3)

$\frac{12}{0.6} = \frac{x}{1} \\ 0.6x = 12 \\ x = \frac{12}{0.6} \\ x = \frac{120}{6} \\ x = 20$