Răspuns :
[tex] \frac{x}{2} + \frac{x}{10} = 48[/tex]
[tex]5x + x = 480[/tex]
[tex]6x = 480[/tex]
[tex]x = \frac{480}{6} [/tex]
[tex]x = 80[/tex]
[tex] \frac{x}{2} + \frac{x}{10} = 48[/tex]
[tex]5x + x = 480[/tex]
[tex]6x = 480[/tex]
[tex]x = \frac{480}{6} [/tex]
[tex]x = 80[/tex]