Răspuns :
[tex] \frac{40}{100} x= \frac{2}{5} x depasirea[/tex]
[tex]x+ \frac{2x}{5} = \frac{7x}{5} [/tex]
[tex] \frac{7x}{5} =700=\ \textgreater \ 7x=700*5=\ \textgreater \ x=3500:7=\ \textgreater \ x=500 norma muncitor[/tex]
[tex]x+ \frac{2x}{5} = \frac{7x}{5} [/tex]
[tex] \frac{7x}{5} =700=\ \textgreater \ 7x=700*5=\ \textgreater \ x=3500:7=\ \textgreater \ x=500 norma muncitor[/tex]