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

### Instruction:
 Dan anamiliki duka la barafu na kila mteja wa sita anapata barafu ya bure. Barafu moja inagharimu $2. Ikiwa aliuza barafu yenye thamani ya $100, alitoa barafu ngapi bure?


### Response:
 Aliuza barafu 50 kwa sababu 100 / 2 = <<100/2=50>>50
Alitoa barafu 10 bure kwa sababu 50 / 5 = 10