Question

Ache o valor de X na proporção a lado: 3 X / 10 = 30 / 5

Answer 1

Resposta:

x = 20

Explicação passo a passo:

$\frac{3x}{10} =\frac{30}{5}\\\\3x . 5=10.30\\\\15x=300\\\\x=\frac{300}{15}\\\\x=20$

Answer 2

$\sf\dfrac{3x}{10}=\dfrac{30}{5}$

$\sf15x=300$

$\sf x=\dfrac{300}{15}$

$\boxed{\boxed{\sf x=20}}$