Question

Bunica a cumparat fructe pentru nepotii ei.afla cati nepoti are si cate fructe a cumparat,stiind ca,daca le da cate 5 fructe,ii raman 6,iar daca le da 6 fructe raman 2 nepoti fara fructe.

Answer 1

notam a= nr fructelor
           n= nr nepotilor
a=5n+6=6(n-2)
=>6n-12=5n+6
n=18 (nepoti)
a=5·18+6=96 (fructe)

verificare: 5·18+6=6(18-2)
                        96=96 (A)