Respuesta :

nitijanie

Answer:

A

Step-by-step explanation:

Essentially, to use the method of division the question is mentioning you need to divide 21 by 3/4. Use fraction rules to divide meaning (21*4/3). This gets you m + 12 = 84/3. If you simplify the right side you get 28. Thus, the final answer is the first option choice.

Hope this helped :)

Hrishii

Answer:

m +12 = 28

Step-by-step explanation:

[tex] \frac{3}{4} (m + 12) = 21 \\ m + 12 = 21 \times \frac{4}{3} \\ m + 12 = 7 \times 4 \\ \purple{ m + 12 = 28}[/tex]