Answer:
12 hours 50 minutes
Step-by-step explanation:
8:40 pm to 9:30 am
8:40 pm to 8:40 am = 12 hours
8:40 am to 9:30 am = 50 minutes
Explanation: Or
14hours 10 minutes
Step-by-step explanation:
8:40 into 24hour clock system =20:40-9:30=14hours 10 minutes
