<human>:  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?
<bot>: How many worker ants are in Stephen's farm? ** Worker ants:110/2=<<110/2=55>>55 ants
How many male worker ants are in Stephen's farm? ** Male worker ants:55(.20)=11
How many female worker ants are in Stephen's farm? ** Female worker ants:55-11=<<55-11=44>>44 ants
#### 44