Question

Calculand 40% din 45 se obtine numarul....

Answer 1

40/100 x 45 = 2/5 x 45 = 2x9 = 18

Answer 2

$\displaystyle 40\% ~din ~45= \frac{40}{100} \cdot 45= \frac{4}{10} \cdot 45= \frac{180}{10} =\boxed{18}$