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

### Instruction:
 Katika duka la vitabu, kitabu kimoja kina gharama ya $5. Sheryll aliponunua vitabu 10, alipewa punguzo la $0.5 kwa kila kimoja. Sheryll alilipa kiasi gani jumla?


### Response:
 Badala ya $5 kimoja, kitabu kina gharama ya $5 - $0.5 = $<<5-0.5=4.5>>4.5 kimoja.
Sheryll alilipa $4.5 kwa kila kitabu x vitabu 10 = $45.