Question

1,6 : x = 12,88 уравнение
Напишите плис по строчка

Answer 1

$1.6 \div x = 12.88 \\ \frac{8}{5} \times \frac{1}{x} = 12.88 \\ \\ \frac{8}{5x} = 12.88 \\ \\ 8 = 64.4x \\ 64.4x = 8 \\ \\ x = \frac{20}{161}$