Answer:
[tex]s + \frac{1}{4} = \frac{4}{8} \\ \\ s = \frac{4}{8} - \frac{1}{4} \\ \\ s = \frac{4}{8} - \frac{2}{8} \\ \\ s = \frac{4 - 2}{8} \\ \\ s = \frac{2}{8} \\ \\ s = \frac{1}{4} \\ \\ s = 0.25[/tex]
