schoolgroup needs to travel 345km to reach their camping. if from school they leave at 7.25am and the bus move at an average sped of 78km/h, determine the time they will arrive at their destination

distance = rate x time divide 345 km/hr to get the number of hours

I got 4.423 You have 4 hours to add to the time.
plus .423 times 60 minutes to find out how many minutes you have to add.