Someone please help me. The last tutor I had was excellent and I really do like him. So if you see this please help me again

Use the given data and conversion factors as follow to find the cos per gallon of gasoline:
[tex]\begin{gathered} 1.06quart=1L \\ 4quart=1gal \\ \\ \frac{0.50}{L}*\frac{1L}{1.06quart}*\frac{4quart}{1gal}=1.89/gal \end{gathered}[/tex]