how many hours is 7am to 12am
your answer would be 17 hours. you dont really need an equation for this, just count the number of hours.
Lets make this simple. 7am + 5hours is 12pm 12pm + 6hours is 6pm > 12 hours total 6pm + 6hours is 12am Add up how many hours in all i added 12 + 5 = 17 hours.