Question

Dacă x supra 1,4 = 3 supra y atunci xy= ?

Answer 1

x / 1, 4 = 3 / y

x y = 1, 4 × 3 = 4, 2

Answer 2

$\frac{x}{1,4}=\frac{3}{y} \ \Rightarrow xy=3 \cdot 1,4=\boxed{4,2}$