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

### Instruction:
A cleaning company produces two sanitizer sprays. One spray kills 50% of germs, and another spray kills 25% of germs. However, 5% of the germs they kill are the same ones. What percentage of germs would be left after using both sanitizer sprays together?

### Response:
 Baada ya dawa ya kwanza kuua 50% ya vijidudu, kutabaki 100 - 50 = <<100-50=50>>50%.
Dawa nyingine inaua 25%, lakini 5% tayari wameuawa na dawa ya 50%, hivyo inaua 25 - 5 = <<25-5=20>>20%.
Baada ya dawa ya pili kuua 20% ya vijidudu vilivyobaki, kutabaki 50 - 20 = <<50-20=30>>30%.