Răspuns :
suma initiala 100%
dobanda 10%
suma finala 100%+10%=110%
2420:110%=2420:110/100=2420×100/110=2200 lei suma depusa initial
dobanda 10%
suma finala 100%+10%=110%
2420:110%=2420:110/100=2420×100/110=2200 lei suma depusa initial
2420 lei :10%=242 lei(dobanda anuala) sau 2420 lei x10:100=242 lei(dobanda anuala)
2420lei -242 lei=2178 lei (suma pt depus)
2420lei -242 lei=2178 lei (suma pt depus)