Question

Ana are de 4 ori mai multe nici decat bianca.iar diana are de 3 ori mai multe nici decat bianca. Impreuna au 80 nuci. Care nici are fiecare?

Answer 1

A=4B
D=3B
A+D+B=80
4B+3B+B=80
8B=80
B=10 nuci
A=4*10=40 nuci
D=3*10=30 nuci

Unde B=Bianca
        A=Ana
     D=Diana

Answer 2

Ana _._._._
Bianca_
Diana _._._ /80

80:8=10

Ana 10x4=40 nuci
Bianca 10 nuci
Diana 3x10=30 nuci