Question

calculand 15 la suta din 20 obtinem ...

Answer 1

$\frac{15}{100} \times 20 = \\ \\ \frac{15 \times 20}{100} = \\ \\ \frac{300}{100} = 3$

Answer 2

15% din 20 = 15 supra 100 × 20 = 15 × 20 supra 100 = 300 supra 100 = 3