The correct option is the first one: n+ 1/4 n.
The expression "a number plus 1/4 of the number" can be represented as n + 1/4n.
Therefore, the correct expression is:
n+ 1/4 n
So, the correct option is the first one: n+ 1/4 n.
Question
A number plus 1/4 of the number can be expressed as:
n + 1/4n
1/4n
1 + 1/4n
5/4 + n