Depends on what time their bedtime is, like if their bedtime is at 6:00, and they have to wake up at 5:00 then their waking hours would be 11 hours.
Shut up you try hard advertiser. Get deleted
Answer:
4
Step-by-step explanation:
if you divide 2,560 by 640 you get 4.
hope this helps you.
10-(-9)
10+9
19
the answer is 19
