Question

x:6=20:40
решите уравнения

Answer 1

$x \div 6 = 20 \div 40$
$\frac{x}{6} = \frac{1}{2}$
$2x = 6$
$x = 3$

Answer 2

x:6=20:40 |×6
x=(20×6)÷40
x=6÷2
x=3
Ответ: 3.