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?
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