Question

Розв'яжіть рів 280 x = 8.5​

Answer 1

$280 x = 8.5 \\ x = 8.5 \div 280 \\ x = \frac{17}{2} \times \frac{1}{280} = \frac{17 \times 1}{2 \times 280} \\ x = \frac{17}{560}$

Answer 2

$280x = 8.5 \\ x = \frac{8.5}{280} \\ x = \frac{17}{2 \times 280} \\ x = \frac{17}{560}$