Good Afternoon,
Okay so we have 15 hours already, now we need to add 60 minutes, which is exactly an hour.
So, 15 Hours + 1 Hour = 16 Hours.
16 Hours is your answer, I hope I helped and good luck studying!
Thank you,
Darian D.
Answer:
B
Step-by-step explanation:
Hope these help but i wrote all of it out with all its geometrical reasons