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

### Instruction:
 Wanafunzi thelathini wanashiriki mbio za hisani ili kuchangisha pesa kwa waathirika wa kimbunga. Wanafunzi kumi wamechangisha $20 kila mmoja. Wanafunzi wengine wamechangisha $30 kila mmoja. Wanafunzi wamechangisha pesa kiasi gani jumla?


### Response:
 Wanafunzi kumi wamechangisha jumla ya $20 x 10 = $<<20*10=200>>200.
Kuna wanafunzi 30 - 10 = <<30-10=20>>20 ambao wamechangisha $30 kila mmoja.
Wanafunzi ishirini wamechangisha $30 x 20 = $<<30*20=600>>600.
Hivyo, wanafunzi wamechangisha $600 + $200 = $<<600+200=800>>800 jumla.