Question

7 plz repede dau coroana + 20 de puncte

Answer 1

3,5 kg mere.....2 kg rosii.....24 lei |×2
7 kg mere.........1,5 kg rosii....35,5 lei

7 kg mere........4 kg rosii.......48 lei
7 kg mere........1,5 kg rosii....35.5 lei
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// .......2,5 kg rosii.....12,5

Aflam cat costa 1 kg rosii
12,5 : 2,5 = 125/10 × 10/25 = 125/25 = 5 lei

Aflam cat costa 2 kg rosii
2 × 5 = 10 lei

Aflam cat costa 1 kg mere
(24 - 10) : 3,5 = 14 : 35/10 = 14 × 10/35 =140/35 = 4 lei