The distance covered by Steve is d = 7 5/6.
The gallons of gas usd by Steve is a = 2 1/2.
Determine the amount of gas used per mile.
[tex]\begin{gathered} A=\frac{2\frac{1}{2}}{7\frac{5}{6}} \\ =\frac{5}{2}\cdot\frac{6}{47} \\ =\frac{15}{47} \end{gathered}[/tex]So gas used to travel per mile is 15/47 gallon.
