Question

Suma a trei numere consecutive pare adunata cu suma marita de 4 ori se obtine 150.
S+4xS=150
Aflati numerele.

Answer 1

S+4S=150
5S=150
S=30
a+b+c=30
b=a+2
c=a+4
a+a+2+a+4=30
3a=24
a=8
b=a+2=10
c=a+4=12