curcan
gaina
/-----/ +30 curcan x4
/-----/ gaina x1
4 x C + G =190lei
4c+g=190
/-----/-----/-----/-----/ +30+30+30+30 de 4 ori curcanul /
/-----/ + 1 gaina / total 190
4sgm+ 1segm +30x4=190
5 segm+120=190
5segm=190-120
5segm=70
1segm=70:5=14lei
1segm=1gaina=14lei
1 curcan=1gaina+30lei=14+30=44lei
1gaina = 14 lei
1curcan = 44 lei