Let x be Drew's age.

Sam is (1/2)x

x+(1/2)x=54

(3/2)x=54

3x=108

x=<<36=36>>36

Sam is 36/2=<<36/2=18>>18 years old

# Answer

18
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Sam and Drew have a combined age of 54. Sam is half of Drew's age. How old is Sam?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
18
Sam and Drew have a combined age of 54. Sam is half of Drew's age. How old is Sam?
train