Răspunsuri

2014-06-08T14:35:43+03:00
X-suma initiala

12% din x= 12/100 *x= 3/25 *x= 3x/25 -majorarea

x+3x/25=(25x+3x)/25= 28x/25 -suma dupa un an

28x/25=3136
x=25*3136/28
x=25*112
x=2800
2014-06-08T14:46:50+03:00
Dupa un an are 112% din suma depusa 
112*x/100=3136 lei⇒ x=3136*100/112=2800 lei