Sam and Drew have a combined age of 54. Sam is half of Drew's age. How old is Sam? Let's think step by step and output the final answer after "####".
user
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
#### 18
Sam and Drew have a combined age of 54. Sam is half of Drew's age. How old is Sam?
train