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

### Instruction:
 John ananunua vipande 20 vya sabuni kila kimo cha pauni 1.5 kwa $.5 kwa pauni. Anatumia pesa kiasi gani kwenye sabuni?


### Response:
 Ameununua pauni 20*1.5=<<20*1.5=30>>30 za sabuni
Hiyo inagharimu 30*.5=$<<30*.5=15>>15.