Question

0,6pe4 = 18pe x x-?​

Answer 1

0,6/4=18/x

0,6x=4×18

0,6x=72

x=72:0,6

x=720:6

x=120

Answer 2

Salutare!

$\frac{0,6}{4} = \frac{18}{x}$

$0,6 = \frac{6}{10} =\frac{3}{5}$   → am simplificat cu 2

⇒ $\frac{\frac{3}{5}}{4} = \frac{18}{x}$

$\frac{3}{5} * \frac{1}{4} = \frac{18}{x}$

$\frac{3}{20} = \frac{18}{x}$

$3x = 20 * 18$

$x = \frac{20*18}{3}$

$x = \frac{360}{3}$

$\boxed{x = 120}$