Question

un obiect costa 80 de lei daca obiectul se scumpeste cu 20%​

Answer 1

$\it 20\%=\dfrac{\ \ 20^{(20}}{100}=\dfrac{1}{5}\\ \\ \dfrac{1}{5}\cdot80=\dfrac{80}{5}=16\ \ell ei\ (cu \ c\hat at\ s-a\ scumpit)\\ \\ 80+16=96\ \ell ei,\ \ noul\ \ pre\c{\it t}$

Answer 2

80+20/100*80=
80+1600/100=
80+16=96 lei(noul preț)