Question

3) 0,2 : (x - 2) = 1/2:2 1/2

Answer 1

$\frac{0,2}{x - 2} = \frac{1}{2} : 2\frac{1}{2}$

$\frac{0,2}{x-2} = \frac{1}{2} : \frac{5}{2}$

$\frac{0,2}{x-2} = \frac{1}{2} * \frac{2}{5}$

$\frac{0,2}{x-2} = \frac{2}{10}$

$2 = 2x - 4$

$2x = 6$

$x = 6 : 2$

$x = 3$