Travelers covered only 860 km, of which 460 km less by bus than by train. how many hours they were

Travelers covered only 860 km, of which 460 km less by bus than by train. how many hours they were on the road, if the bus speed is 50 km / h, and the train speed is 66 km / h.

Total – 860 km.
By bus -?, 460 km less.
The bus speed is 50 km / h.
Train speed – 66 km / h.
How many hours were they on the way?
1) 860-460 = 400 (km) distance traveled equally by bus and train.
2) 400/2 = 200 (km) 200 km each traveled by bus and train.
3) 200 + 460 = 660 (km) by train.
4) 200/50 = 4 (h) by bus.
5) 660/66 = 10 (h) by train.
6) 4 + 10 = 14 (h) on the way.
In total, they were 14 hours on the way.