Answer:
A.
Step-by-step explanation:
\(\frac{n}{3}+12\)
Let the number be n
First find the one third of the number.
One third of n
\(\frac{1}{3}*n\\=\frac{n}{3}\)
Now we have to increase this number by 12, that is we will add 12 to this and get
\(\frac{n}{3}+12\)
Hence the answer is \(\frac{n}{3}+12\)
