3/4 ≤ 1/2 + n
[tex]\begin{gathered} \frac{3}{4}\le\frac{1}{2}+n \\ \frac{3}{4}-\frac{1}{2}\le\text{ n} \end{gathered}[/tex][tex]\begin{gathered} \frac{3(1)-2(1)}{4}\le\text{ n} \\ \frac{3-2}{4}\le\text{ n} \end{gathered}[/tex][tex]\begin{gathered} \frac{1}{4}\leq n \\ Since\text{ 1/4 is less than or requal to n, } \\ \text{It can also written as:} \\ n\ge\frac{1}{4} \end{gathered}[/tex]