[tex]\large { \ {\boxed { \begin{array}{lr} {\rm 18\% \ \ de \ \ 1400 =} \\ \\ {\frac{18}{100} \times1400=}\\\\{0,18\times1400=}\\\\\boxed{\red{ \: \: 252 \: \: }} \rm \ { \Leftrightarrow} \ Resposta \\ \end{array}}}}[/tex]
