Question

sa se afle 20%din numarul 17

Answer 1

17............100%
x................20%
17/x=100/20⇒
x=17*20%/100%
x=340/100%
x=3,4

Answer 2

$\displaystyle 20\%~din~17= \frac{20}{100} \cdot 17= \frac{340}{100} =3,4$