Question

Un baiet are de cinci ori mai multe mere decat altul.Cate mere are fiecare stiind ca daca primul mananca doua si cel de-al doilea primeste sase ,vor avea acelasi nr de mere?

Answer 1

a=5b
a-2=b+6
5b-2=b+6
5b-b=6+2
4b=8
b=8:4
b=2
a=5x2=10
primul are 10 mere, al doilea are 2 mere

Answer 2

diferenta intre cei doi copii era de 8 mere 

I /---/---/---/---/---/
II/---/...8............
un segment = 8:4=2
I=10
II=2
v: 10-2=8
    2+6=8