notam cu v=nr timbre Victor
s=nr timbre Smarandita pe care le au copiii la inceput
la inceput v=24+s
la final 48=v+s/3
I-------------------------I-----------I v=s+24 initial
I-------------------------I s initial
I------------------------I------------I---------I v+s/3 final
I---------------I s-s/3 final
48=s+24+s/3
24=4s/3
6=s/3 s=18 v=18+24=42
