Answer: 6205 hours
Step-by-step explanation:
Given: The number of sleeping hours =7
Since, the total number of hours in a day = 24
Therefore, the number of awake hours = 24-7=17
Also, the number of days in a year = 365
Therefore, the total number of awake hours=
Thus, the total number of awake hours= 6205 hours
Hence, If we sleep 7 hours every night we awake 6205 hours in a year.