Question

1) x/42 = 5/70
2) 3,6/x = 0,1/2
Помагите пожалуйста

Answer 1

1.

$\frac{x}{42} = \frac{5}{70} \\ \\ x = \frac{42 \times 5}{70} = \frac{42 \times 1}{14} = \frac{6 }{2} = 3$

2.

$\frac{3.6}{x} = \frac{0.1}{2} \\ \\ x = \frac{3.6 \times 2}{0.1} = \frac{7.2}{0.1} = \frac{72}{1} = 72$