Răspunsuri

2014-05-24T13:42:22+03:00
X - pret initial
x+4x/100=A - noul pret dupa scumpire
A-5A/100=123,5
100A-5A=12350
95A=12350
A=130

x+4x/100=130
100x+4x=13000
104x=13000
x=125