Respuesta :

khawkins22

Answer:

51 1/3 hours

Step-by-step explanation:

Multiply the amount of sleep per day (7 1/3) by the number of days in a week (7), to get the total amount of sleep (51 1/3 hours)

Stefany333
Answer: 51 1/3 hours

Explanation:

7*7=49, 20*7=140

140 = 2 hours and 20 minutes

49 + 2 hours and 20 min = 51 hours and 20 min

As a mixed number, 51 20/30 or 51 1/3

Therefore, Arlene sleeps 51 1/3