Răspunsuri

2014-07-12T14:24:43+03:00
100%-4%=96%

96%...........615,68 €
100%.........x €
________________
 x=(615,68 x 100): 96
x=61568:96
x=641.33 € a depus la banca
2014-07-12T14:25:36+03:00
X-suma initiala

4% din x= 4/100*x=  1/25 *x=  x/25 -dobanda

x+x/25= (25x+x)/25=  26x/25 -noua suma

26x/25=615,68

x=25*615,68/26

x=25 *23,68

x=592 euro