Question

se 1000 e 100% 7,5% e quanto?​

Answer 1

$\sf{por~regra~de~3~simples~temos:}\\\sf{1000\Longrightarrow 100\%}\\\sf{x\Longrightarrow7,5\%}\\\sf{100x=7,5\cdot1000}\\\sf{x=\dfrac{7,5\cdot10~\diagdown\!\!\!\!\!0~\diagdown\!\!\!\!\!0}{1~\diagdown\!\!\!\!\!0~\diagdown\!\!\!\!\!0}}\\\huge\boxed{\boxed{\boxed{\boxed{\sf{x=75}}}}}$