Question

Balaurul e cu 25 de ani mai tanar decat mama sa. Mama are de 6 ori mai multi ani.Cati ani are fiecare ?

Answer 1

m=6b
6b-b=25
5b=25
b=25:5=5 ani balaurul
5x6=30ani mama

Answer 2

[tex]a-b=25\\ a=6b\\ =\ \textgreater \ 6b-b=25=\ \textgreater \ 5b=25=\ \textgreater \ b=25:5=\ \textgreater \ b=5\\ a=6b\ \textless \ =\ \textgreater \ a=6*5=\ \textgreater \ a=30\\\\ Balaurul~are~5~ani~si~ma-sa~are~30~ani\\\\ Proba:30-5=25\\ 6*5=30\\ (corect) [/tex]