we know the seal does 8 miles in 1 hour, therefore
[tex]\bf \begin{array}{ccll}
miles&hours\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
8&1\\
52&h
\end{array}\implies \cfrac{8}{52}=\cfrac{1}{h}\implies h=\cfrac{52\cdot 1}{8}[/tex]
