Respuesta :

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

Answer:14hours 10 minutes

Step-by-step explanation:

8:40 into 24hour clock system =20:40-9:30=14hours 10 minutes