cartofi+ceapa+varza=1500
ceapa I____I
cartofi I____I____I____I____I
varza I____I+150
Cate kg de ceapa a cules?
(1500-150):6=1350:6=225 kg
cate kg de cartofi a cules?
225x4=900kg
carte kg de varza a cules?
225+150=375kg
225+900+375=1500
x-cantitatea de ceapa
y-cartofi
z-varza
x+y+z=1500
y=4x
z=x+150
x+4x+x+150=1500
6x=150-150
x=1350/6
x=225
y=4x=4x225=900
y=900
z=x+150=225+150
z=375