Răspuns :

Kitty200704id

[tex] \frac{2}{5} x = 8[/tex]

[tex]x = 8 \div \frac{2}{5} [/tex]

[tex]x = 8 \times \frac{5}{2} = 4 \times 5 = 20[/tex]

Popemma88id

Salut!

Răspuns: 20 ✅

  • Notam cu x numarul cautat

[tex] \frac{2}{5} \times x = 8 \\ \frac{2x}{5} = 8 = = = > 2x = 5 \times 8 \\ 2x = 40 \\ x = 40 \div 2 \\ x = 20[/tex]

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