He covers 4km/hr*4hrs = <<4*4=16>>16km in the first 4 hours

He has 24-16 = <<24-16=8>>8km left to cover

He has 8-4 = <<8-4=4>>4 hours to cover the remaining 8km

He has to travel at a speed of 8km/4hrs = 2km/hr to be right on time

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A man intends to complete a journey of 24 km in 8 hours. If he travels at a speed of 4km/hr for the first four hours, at what speed does he need to travel for the remainder of the journey to be right on time?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
2
A man intends to complete a journey of 24 km in 8 hours. If he travels at a speed of 4km/hr for the first four hours, at what speed does he need to travel for the remainder of the journey to be right on time?
train