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

### Instruction:
Josie received $50 as a gift. She plans to buy two cassette tapes that cost $9 each and a headphone set that costs $25. How much money will she have left?

### Response:
 Josie alitumia kaseti 2 * $9/kaseti + $25 = $<<2*9+25=43>>43 jumla.
Alianza na $50 - $43 alizotumia = $<<50-43=7>>7 zilizobaki.