[tex]\begin{gathered} \text{Total time=36}\frac{3}{4}=\frac{147}{4}\min ute \\ on\text{ dressed}\Rightarrow\frac{147}{4}\times\frac{1}{4}=\frac{147}{16}\min ute \\ \text{eating}\Rightarrow20\text{ minute} \\ \text{bed}\Rightarrow\text{4 minute} \\ \text{drive time=}\frac{147}{4}-(\frac{147}{16}+20+4) \\ \Rightarrow3.56\text{ minute} \end{gathered}[/tex]
