Question

Dupa o reducere cu 50% un obiect costa 60lei

Answer 1

100%-50%=50%
50%............................60 lei
100%.......................  x lei
x=100x60:50=6000:50=120 lei
R:  pretul initial este de 120 lei

Answer 2

$x- \frac{50}{100}\cdot x=60 \\ x- \frac{x}{2}=60 \\ \frac{2x-x}{2}=60 \\ \frac{x}{2}=60=\ \textgreater \ x=120\ lei$