Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
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?

### Response:
 Mchwa wa kazi: 110/2 = <<110/2=55>>55 mchwa
Mchwa wa kazi wa kiume: 55(.20) = 11
Kuna mchwa wa kazi wa kike 55 - 11 = <<55-11=44>>44