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

### Instruction:
 Matt anaweza kutengeneza kundi la mikate ya biskuti kwa kutumia pauni 2 za unga. Anatumia mifuko 4 ya unga kila moja ikiwa na uzito wa pauni 5. Ikiwa Jim anakula biskuti 15, biskuti ngapi zimebaki?


### Response:
 Matt alitumia mifuko 4*5=<<4*5=20>>20 pauni za unga.
Hii inamaanisha alitengeneza vikundi 20/2=<<20/2=10>>10.
Kwa hivyo alipika biskuti 10*12=<<10*12=120>>120.
Baada ya Jim kula 15, zimebaki 120-15=<<120-15=105>>105 biskuti.