Răspuns :
nr barbatilor = a
nr femeilor = a + 7
a + a+ 7 = 27
2a = 27 - 7
2a = 20
a = 20 : 2
a = 10
Barbati = 10
Femei = 10 + 7 = 17
nr femeilor = a + 7
a + a+ 7 = 27
2a = 27 - 7
2a = 20
a = 20 : 2
a = 10
Barbati = 10
Femei = 10 + 7 = 17