Question

2 1,2
_ = _
x 2,4

responda

Answer 1

vamos lá

$\frac{2}{x} = \frac{1,2}{2,4} \\ \frac{2}{x} = \frac{1,2}{2,4} = 0 \\ \frac{2}{x} = \frac{6}{5} \\ \: \: \: \: \ \: \ \: \frac{12}{5} \\ \frac{2}{x} = \frac{6}{12} \\ \frac{2}{x} = \frac{1}{2} \\ 4 = x \\ x = 4, x = 0 \\x = 4 \\ \\ resposta \geqslant \geqslant \geqslant x = 4$