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

### Instruction:
 Harvey alianza na nyama 25. Kisha akauza baadhi, na akabakiwa na nyama 12 tu. Aliuza nyama 4 zaidi, kwa dola 10 kila moja. Aliuza nyama ngapi jumla?


### Response:
 Harvey aliuza nyama 25-12 = <<25-12=13>>13 mwanzoni.
Kisha Harvey akauza nyama zaidi kwa jumla ya 13+4 = <<13+4=17>>17 nyama.