Răspuns :
Transformam mingiile intr-o carte 3c......3s....=222 2m.....3s....=174 ----------------------- 3c......3s.....=222 1c.......3s......=174 ----------------------- 2c......\.......=48 c=48:2=24 3×24+3s=222 72+3s=222 3s=222-72=150 s=150÷3=50 1m=24:2=12 lei,1 s=50lei