Question

5:4x=1:2
пожалуйства х=?

Answer 1

$5 \div 4x = 1 \div 2 \\ \frac{5}{4} x = 0.5 \\ x = \frac{4}{5} \times 0.5 \\ x = \frac{4}{5} \times \frac{1}{2} \\ x = \frac{2}{5} \\ x = 0.4$

Answer 2

$\displaystyle 5:4x=1:2\\\\\frac{5}{4}x=0,5\\\\x=\frac{4}{5}*0,5\\\\x=\frac{4}{5}*\frac{1}{2}\\\\x=\frac{2}{5}=0,4$