Question

urgente!!! alguém me ajuda​

Answer 1

$\frac{8}{x} = \frac{10}{2}$

$\frac{8}{x} = 5$

$8 = 5x$

$x = \frac{8}{5}$

$\frac{28}{x} = \frac{9}{5}$

$140 = 9x$

$x = \frac{140}{9}$