1) C1 = 20%..................ms1 = 6 parti masice
Cf= 10%
C2 = 4%.................ms2 = 10 parti masice
ms1/ms2 = 6/10 = 3/5 sau 3:5
2) C1 = 20%...............ms1 = 2 parti masice
Cf = 12%
C2 = 10%..................ms2 = 8 parti masice
ms1/ms2 = 2/8 = 1/4 sau 1:4