Question

Mihaela,Costin si Cristian au impreuna 160 de lei.Calculati cati lai au fiecare daca Mihaela si Cristian au impreuna 130 de lei iar Costin si Cristian au impreuna 80 lei




Ajutatima va rog

Answer 1

a+b+c =160
a+b=130
b+c =80
c=160-130=30
a=160-80=80
a+c=80+30=110
b=160-110=50
mihaela=80
costin=50
cristian=30
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Coronita?

Answer 2

1) 160-80=80(lei)- are Mihaela
2)130-80=50(lei)- are Cristian
3)80-50=30(lei)- are Costin
                           Verificare:
1)80+50=130(lei)-au Mihaela si Cristian
2)130+30=160(lei )- suma totala
Raspuns:Mihaela are 80 lei, Cristian are 50 lei iar Costin are 30 lei.

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