Answer:
The answer to your question is:
Step-by-step explanation:
Data
1/2 hour free time
divide equally playing her favorite song and walking her dog
Free time = F
= 1/2 hour or 30 min
She divided equally her free time between walking her dog and palying her favorite song.
30 min / 2 = 15 min
She has 15 min to walk her dog and 15 min to play her favorite song.
If she played her song 3 times, then:
15 min / 3 = 5 min
Her favorite song lasts 5 min.
