Answer:
8 hours
Explanation:
A person came to work by 8:30 am
He went out to lunch 11:45 am and came back 12:30 pm
He closed 5:15 pm
Therefore the total hours worked that day can be calculated as follows
Time worked from 8:30 am to 11:45 am is 3 hours 15 mins
Time worked for 12:30 pm to 5:15 pm is 4 hours 45 mins
3 hours 15 mins + 4 hours 45 mins
= 8 hours
Hence the total hours worked that day is 8 hours