Answer:
The unit that should be in the denominator is kilometers
Step-by-step explanation:
we know that
[tex]1\ mile=1.6\ kilometers[/tex]
To convert x km to mi
[tex]x\ km*(\frac{1}{1.6})\frac{mi}{km}=\frac{x}{1.6}\ mi[/tex]
therefore
The unit that should be in the denominator is kilometers