Question

Mama ,tata si fratele meu castiga intr-o luna 5888 lei.Cat castiga fiecare,daca mama si
tata castiga impreuna 4388 lei,iar tatal si fratele castiga impreuna 4000 de lei?

Answer 1

m+t+f=5888 LEI
  m+t=4388 LEI
   t+f=4000 LEI
   m+t+f=5888
   5888-4388=1500(fratele)
   t+f=4000
   4000-1500=2500(tata)
   m+t=4388  
   4388-2500=1888(mama)