Nick's sister is 13 + 6 = <<13+6=19>>19 years old.

Their combined age is 19 + 13 = <<19+13=32>>32 years old.

Their brother is 32/2 = <<32/2=16>>16 years old.

In 5 years, their brother would be 16 + 5 = 21 years old.

# Answer

21
<|im_start|>system
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<|im_start|>user
Nick is 13 years old. His sister is 6 years older and their brother is half their combined age. How old would their brother be in 5 years?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
21
Nick is 13 years old. His sister is 6 years older and their brother is half their combined age. How old would their brother be in 5 years?
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