Răspuns :
Răspuns:
100%-5%=95%
380:95%=380·100/95=380·100:95=400 lei
100%-20%=80%
400:80%=400·100/80=400·100:80=500 lei pretul initial
Răspuns:
100%-5%=95%
380:95%=380·100/95=380·100:95=400 lei
100%-20%=80%
400:80%=400·100/80=400·100:80=500 lei pretul initial