[tex] > resolucao \\ \\ > fracoes \: equivalentes \\ \\ \\ \frac{3}{4} = \frac{x}{12} \\ \\ 4x = 3 \times 12 \\ \\ 4x = 36 \\ \\ x = \frac{36}{4} \\ \\ x = 9 \\ \\ \\ \\ \\ \\ \frac{3}{4} = \frac{9}{12} \\ \\ \\ \\ \\ = = = = = = = = [/tex]
Resposta: Letra ( D )
