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

### Instruction:
 Mark anamkodisha mwimbaji kwa saa 3 kwa $15 kwa saa. Kisha anampa mwimbaji bahasha ya 20%. Alilipa kiasi gani?


### Response:
 Gharama ilikuwa 15*3=$<<15*3=45>>45.
Hivyo bahasha ilikuwa 45*.2=$<<45*.2=9>>9.
Hivyo jumla alilipa ni 45+9=$<<45+9=54>>54.