Answer:
52.2 miles per gallon
Step-by-step explanation:
63/1 / 6/5=52.2
[tex]\\ \sf\longmapsto 1\dfrac{1}{5}=\dfrac{6}{5}[/tex]
Per gallon
[tex]\\ \sf\longmapsto \dfrac{63}{\dfrac{6}{5}}[/tex]
[tex]\\ \sf\longmapsto 63\times \dfrac{5}{6}[/tex]
[tex]\\ \sf\longmapsto \dfrac{315}{6}[/tex]
[tex]\\ \sf\longmapsto 52.5miles/gallon[/tex]