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

### Instruction:
 Peter anaenda dukani kununua soda. Soda inagharimu $.25 kwa unsi. Ameleta $2 na anaondoka na $.50. Ameununua soda ngapi?


### Response:
 Ameitumia $1.5 kwa soda kwa sababu 2 - .5 = 1.5
Ameununua unsi 6 za soda kwa sababu 1.5 / .25 = <<6=6>>6