Răspuns :
3 kg........2,40lei
x kg........12lei
x=3·12/2,40=
36/2,40=15 kg
x kg........12lei
x=3·12/2,40=
36/2,40=15 kg
3kg..........2,40lei
1kg............x
x=2,40*1/3
x=0,8 lei
3kg..........2,40lei
y..............12lei
y=3*12/2,40
y=3*5
y=15kg
1kg............x
x=2,40*1/3
x=0,8 lei
3kg..........2,40lei
y..............12lei
y=3*12/2,40
y=3*5
y=15kg