[tex]\bf \begin{array}{ccll}
shirt&minutes\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
\frac{2}{9}&3\frac{3}{5}\\\\
s&1
\end{array}\implies \cfrac{\frac{2}{9}}{s}=\cfrac{3\frac{3}{5}}{1}\implies \cfrac{\frac{2}{9}}{\frac{s}{1}}=\cfrac{\frac{3\cdot 5+3}{5}}{\frac{1}{1}}\implies \cfrac{2}{9}\cdot \cfrac{1}{s}=\cfrac{\frac{18}{5}}{\frac{1}{1}}
\\\\\\
\cfrac{2}{9s}=\cfrac{18}{5}\implies 10=162s\implies \cfrac{10}{162}=s\implies \cfrac{5}{81}=s[/tex]
