Question

x/0.2=4.5/1.2 помогите

Answer 1

$\frac{x}{0.2} = \frac{4.5}{1.2} \\ x \times 1.2 = 4.5 \times 0.2 \\ 1.2x = 0.9 \\ x=0.9 \div 1.2 \\ \boldsymbol{x = 0.75}$