Julio catches a total of 7 fish/hour * 9 hours = <<7*9=63>>63 fish.

After losing some of the fish, Julio has 63 fish - 15 fish = <<63-15=48>>48 fish.

# Answer

48
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Julio goes fishing and can catch 7 fish every hour. By the 9th hour, how many fish does Julio have if he loses 15 fish in the process?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
48
Julio goes fishing and can catch 7 fish every hour. By the 9th hour, how many fish does Julio have if he loses 15 fish in the process?
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