[tex]\begin{gathered} 2ft\text{ price is 93.60\$ } \\ So,\text{ } \\ 1ft\text{ price is }\Rightarrow\frac{93.60}{2}=46.8\text{ \$/ft} \\ In\text{ 1 ft}\Rightarrow12\text{ inch} \\ So, \\ \Rightarrow46.8\times\frac{1}{12}=\text{ 3.9\$/in} \end{gathered}[/tex]
