Respuesta :

Answer:

2 hours = 7200 seconds

7200/15 = 480

25x480 = 12000 chirps in 2 hours

Step-by-step explanation:

Answer:

200

Step-by-step explanation:

info we are given :

25 chirps per 15 second.

1 hour: 60 minutes since we are trying to find out 2 hours it will be 60+60=120

now divide by 15 and times by 8 (8 x 25)