Răspuns:
2. 16 kg....................92 lei
xkg.......................132.25lei
x=132.25*16/92
x=23 kg cirese
3. 2.5x+4.3y=32.20
x+y=10
x=10-y
25 - 2.5y +4.3y =32.20
1.8y=32.20-25
1.8y=7.2
y=7.2/1.8
y=4
x=10-y=10-4=6
6 caiete cu 2,50 lei bucata
4 caiete cu 4.30 lei bucata