Answer:
The frequency of wing flutters per second is 80.
Step-by-step explanation:
Frequency is defined as the number of waves that passes a given point per second. It is expressed in Hertz that second inverse.

Number of times wings fluttered by hummingbird =

1 minute = 60 seconds
Frequency wing flutters per second = F

The frequency of wing flutters per second is 80.