Question

Mental math: 12 ÷ ? = 4

Answer 1

12÷3 =4

Explanation:

if 4×3=12

then 12÷3=4

Answer 2

`\begin{gathered} (12)/(x)=4 \\ x=(12)/(4) \\ x=3 \end{gathered}`

Hence, the required answer is 3.