From a to B, it takes 8 hours for a bus and 12 hours for a truck. Now the two cars travel from a to B at the same time. How many hours have the two cars gone through the whole journey?

From a to B, it takes 8 hours for a bus and 12 hours for a truck. Now the two cars travel from a to B at the same time. How many hours have the two cars gone through the whole journey?

45 / & nbsp; (18 + 112), = 45 / 524, = 32125 (hours); answer: 32125 hours, the two cars have driven 45