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

### Instruction:
 John hununua makopo ya supu kwa kununua 1 na kupata 1 bure. Anapata makopo 30 yenye bei ya kawaida ya $0.60. Anapaswa kulipa kiasi gani?


### Response:
 Ananunua makopo 30/2=<<30/2=15>>15
Hivyo inamaanisha anatumia 15*.6=$<<15*.6=9>>9