Question

determina:
a) 3% din 400
b) numarul,daca 3%din el este 15

Answer 1

$\frac{3}{100} 40= \frac{120}{100} = \frac{6}{5}$
$15= \frac{3}{100} x x=1500:3=500$

Coroana?

Answer 2

a) $\frac{3}{100}*400=3*4=12$
b) $\frac{3}{100}*X=15 =\ \textgreater \ 3x=1500=\ \textgreater \ x=500$