Question

while waiting for a train, Alvin take a bus ride at 60 kph to a certain point and then walks back leisurely at 10 kph. the bus ride takes 15mins less than his walking. how far did he walk?

Answer 1

i guess it's not all. You need some other datas about the time. He could walk 2 hours with the bus and 2h and 15 mins walking or 5 minutes by bys and 20 minutes walking