Worker ants:110/2=<<110/2=55>>55 ants

Male worker ants:55(.20)=11

Female worker ants:55-11=<<55-11=44>>44 ants

# Answer

44
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Stephen has 110 ants in his ant farm.  Half of the ants are worker ants, 20 percent of the worker ants are male.  How many female worker ants are there?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
44
Stephen has 110 ants in his ant farm.  Half of the ants are worker ants, 20 percent of the worker ants are male.  How many female worker ants are there?
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