I_______________i_____________I furnici care aduc grau
I_______________I furnici care aduc firimituri
I_______________I_____________I ___I furnici care aduc resturi de frunze
6
Fg+Ff+Frest f=141
Fg= 2Ff
Frest frunze= Fg+6=2Ff+6
2Ff+Ff+2Ff+6=141
5 F f =141-6
5 F f=135
F f= 135/5
F f (furnici care aduc firimituri)= 27
Fg (care aduc boabe grau)=2x27=54
F rest frunze=54 + 6=60
27+ 54+60=141