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