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

### Instruction:
 Tabitha ana dola 25. Anampa mama yake dola 8 na anawekeza nusu ya kile kilichobaki katika soko la fedha. Anatumia pesa kununua vitu 5 ambavyo kila kimoja kina gharama senti 50. Tabitha anabakiwa na pesa kiasi gani?


### Response:
 Tabitha anabakiwa na dola 25-8 = <<25-8=17>>17 baada ya kumpa mama yake.
Tabitha anabakiwa na dola 17/2 = <<17/2=8.5>>8.5.
Gharama jumla ya vitu 5 ni 5*0.50 = <<5*0.50=2.5>>2.5 dola.
Tabitha anabakiwa na 8.5-2.5 = <<8.5-2.5=6>>6 dola.