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

### Instruction:
Mark hires a singer for 3 hours at $15 an hour.  He then tips the singer 20%.  How much did he pay?

### 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.