1/2 the age of Alvin who is 30 is 30/2 = <<30/2=15>>15

Simon is 5 years away from being half the age of Alvin so Simon is 15-5 = <<5+5=10>>10 years old

# Answer

10
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Alvin is 30 years old and Simon is 5 years away from being 1/2 the age of Alvin.  How old is Simon?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
10
Alvin is 30 years old and Simon is 5 years away from being 1/2 the age of Alvin.  How old is Simon?
train