Răspuns :
Femei-20/100*b
Barbati-b
20/100*b+b=120
1.2b=120
b=100 barbati
femei:120-100=20
raspuns:20-f,100-b
Barbati-b
20/100*b+b=120
1.2b=120
b=100 barbati
femei:120-100=20
raspuns:20-f,100-b