Answer:- [tex]0.738\frac{miles}{min}[/tex]
Solution:- It is a unit conversion problem where kilometers are need to be converted to miles and hours to minutes.
1 km = 0.62 miles
and, 1 hr = 60 min
Let's make the set up as:
[tex]71.4\frac{km}{hr}(\frac{0.62miles}{1km})(\frac{1hr}{60min})[/tex]
= [tex]0.738\frac{miles}{min}[/tex]
So, the speed in miles per minute is 0.738.