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

### Instruction:
Hannah brought $30 to the county fair. She spent half of it on rides and another $5 on dessert. How much, in dollars, is left?

### Response:
 Nusu ya $30 ni $30/2=<<30/2=15>>15.
$30 - $15 - $5 = <<30-15-5=10>>10.