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Ionut are de 5ori mai multi bani decat mugurel. Impreuna au 42000euro.aflati ce suma are fiecare?

Răspuns :

I=5x    M=x
5x+x=42000
6x=42000
x=42000/6  
x=7000
Mugurel are 7000 euro
Ionuti  are 7000  ori 5=35000 euro
35000+7000=42000