Marshall sleeps 8 hrs each day. How many hrs does Marshall sleep each week? How many hours is Marshall awake?

8 hours x 7 days (a week) = 56 hours

Marshall sleeps 56 hours a week.

24 hours (A day) - 8 hours (sleeping) = 16 hours (Awake)

Marshall stays awake for 16 hours a day.

OR

24 hours (A Day) - 8 hours (Sleeping) = 16 hours (awake)

16 hours (Awake a day) x 7 Days (A week) = 112 hours a week

Marshall stays awake for 112 hours a week.

Well he is asleep a total of 56 hours a week (8x7) and there is 168 hours in a week (24x7) so 168 - 56 will equal how many hours he is awake the whole week.