Răspuns :
baieti I-------------------_I
fete I-----------------------|-----------------|-----16---|
3 parti EGALE cu fetele
O parte = a
3a+16=286
3a=286-16=270-->3a=270
a=270:3=90 =Fete=90
2X90+16=196 = Baieti = 196
fete I-----------------------|-----------------|-----16---|
3 parti EGALE cu fetele
O parte = a
3a+16=286
3a=286-16=270-->3a=270
a=270:3=90 =Fete=90
2X90+16=196 = Baieti = 196
a)
x=fete
y=baieti
x+y=286
y=2x+16
2x+16+x=286
2x=270
x=90 fete
y=196 baieti
x=fete
y=baieti
x+y=286
y=2x+16
2x+16+x=286
2x=270
x=90 fete
y=196 baieti