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

### Instruction:
Jay bought a book for $25, a pen for $4, and a ruler for $1. He paid with a fifty-dollar bill. How much change, in dollars, did Jay get?

### Response:
 Jay alitumia jumla ya dola 25+4+1=<<25+4+1=30>>30.
Alipokea mabadiliko ya dola 50-30=<<50-30=20>>20.