Va rog ajutatimaaaaa vrea prin met9da graficaaaa Plzz dau coronaaa

Răspuns:
r.|____|
c.|____|..+50..I
g.|____|............I..+250..I } 900
900-250-50=600
600:3=200 rate
200+50=250 curcani
250+200=450 gaini
verificare:
200+250+450=900