Question

$\frac{5}{2.5} = \frac{10}{ \times }$
preciso de ajuda ​

Answer 1

$\Large\boxed{\begin{array}{l}\sf\dfrac{5}{2{,}5}=\dfrac{10}{x}\\\\\sf5x=25\\\sf x=\dfrac{25}{5}\\\\\sf x=5~\checkmark\end{array}}$