Answer:
0.666... miles per minute
Step-by-step explanation:
I set up a ratio for the speed made a equivalent fraction for miles per minute.
(Keep in mind that an hour is 60 minutes.)
[tex]\frac{miles}{minutes}=\frac{40}{60}=\frac{40/60}{60/60}=\frac{0.666...}{1}[/tex]
Hope this helps.
