One third as many adults as children is 45/3=<<45/3=15>>15 adults.

One third of adults wore blue, or 15/3=<<15/3=5>>5 adults wore blue.

Thus, the remaining 15-5=<<15-5=10>>10 adults did not wear blue

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
At the Johnson family reunion, there were 45 children and one third as many adults.  One third of the adults wore blue.  How many adults did not wear blue?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
10
At the Johnson family reunion, there were 45 children and one third as many adults.  One third of the adults wore blue.  How many adults did not wear blue?
train