Răspunsuri

2014-06-24T16:04:34+03:00
X-10x/100=162
x-x/10=162
9x/10=162
9x=1620
x=180 lei
2014-06-24T16:05:07+03:00
X- pret initial

x-10x/100=162 numitor comun 100, amplif primul termen si rezultatul cu 100 pt a scapa de fractie
100x-10x=16200
90x=16200
x=16200:90
x=180 lei