Răspunsuri

2014-07-17T15:51:09+03:00
16%......................50lei
100%......................x lei
____________________
x= 100x50/16
x=312,5 lei
2014-07-17T16:08:51+03:00
X-suma initiala

16% din x= 16/100*x= 4/25*x= 4x/25

4x/25=50

x=25*50/4

x=25*12,5

x=312,5 lei -suma initiala