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

### Instruction:
 Libby ana sarafu 160 katika kibanda chake cha nguruwe. Anapaswa kulipa $35 kumlipia dada yake gauni ambalo alikopa na kuliharibu. Baada ya kulipa gauni, atabakiwa na sarafu ngapi?


### Response:
 Kuna sarafu 4 katika kila dola, hivyo $35 x 4 = <<35*4=140>>140 sarafu.
Libby ana sarafu 160 - 140 sarafu za kulipa dada yake = <<160-140=20>>20 sarafu zilizobaki.