3 kg struguri.....5 kg mandarine.....44 lei/×2
5 kg struguri.....10 kg mandarine.....80 lei
6 kg struguri.....10 kg mandarine.....88 lei
5 kg struguri.....10 kg mandarine.....80 lei
1 kg struguri....../......8 lei
3 kg struguri.....5 kg mandarine.....44 lei
8×3=24 lei (3 kg struguri)
44-24=20 lei (5 kg mandarine)
20:5=4 lei (1 kg mandarine)
Raspuns:
1 kg struguri=8 lei
1 kg mandarine=4 lei