Răspuns :
Raluca are 2000 lire
Xenia are 2000+ 15/100•2000=2000+ (15•2000)/100=2000+30000/100= 2000+300= 2300 lire.
Împreună au 2000+2300= 4300 lire £
Xenia are 2000+ 15/100•2000=2000+ (15•2000)/100=2000+30000/100= 2000+300= 2300 lire.
Împreună au 2000+2300= 4300 lire £
R=2000lire
X=15%>R
15%din2000=15x2000/100=300
X=2000+300=2300lire
R+X=2000+2300=4300lire