The second protest was 4*.25=<<4*.25=1>>1 day longer than the first.

So the second protest was 4+1=<<4+1=5>>5 days.

Thus he spent 4+5=<<4+5=9>>9 days protesting.

# Answer

9
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
John attends a protest for 4 days.  He then attends a second protest for 25% longer than the first.  How many days did he spend protesting?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
9
John attends a protest for 4 days.  He then attends a second protest for 25% longer than the first.  How many days did he spend protesting?
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