\eqalign{ & {\text{Simplify :}} \cr & {\text{8}}\frac{1}{2} - \left[ {3\frac{1}{4} + \left\{ {1\frac{1}{4} - \frac{1}{2}\left( {1\frac{1}{2} - \frac{1}{3} - \frac{1}{6}} \right)} \right\}} \right] \cr} $$

• A. 4 1/2
• B. 4 1/6
• C. 9 1/2
• D. 2/9