Răspunsuri

2014-07-21T21:10:43+03:00
X-pretul initial

10% din x= 10/100 * x= 1/10 * x=  x/10-reducerea

x-x/10=  (10x-x)/10=9x/10 -noul pret

9x/10=108

x=10*108/9

x=10*12

x=120