Question

Două kg de banane si 3 kg de kiwi costa 26 lei,iar 5 kg de kiwi si 2 kg de banane costa 38 de lei.Cat costa kilogramul de banane si kg de kiwi?repede dau corona​

Answer 1

2 kg b + 5 kg k = 38

2 kg b + 3 kg k = 26

( - )

/ 2 kg k = 12 | : 2

1 kg k = 6

2 kg b + 3 × 6 = 26

2 kg b = 26 - 18 = 8 | : 2

1 kg b = 4