2-30 representa 15% de qual numero?
Com cálculo?????
![230 Representa 15 De Qual NumeroCom Cálculo class=](https://pt-static.z-dn.net/files/d08/8f9083f83052281a7db360235c772e27.jpg)
Resposta:
Alternativa (B) 200.
_-_-_
15 ÷ 100 = 0,15
0,15 × 200 = 30
[tex]\sf\dfrac{x}{30}=\dfrac{100\%}{15\%}[/tex]
[tex]\sf x=\dfrac{30\cdot100}{15}[/tex]
[tex]\sf x=\dfrac{3000}{15}[/tex]
[tex]\boxed{\boxed{\sf x=200}}[/tex]