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

### Instruction:
 Yai la kipepeo linachukua siku 120 kuwa kipepeo. Ikiwa kila kipepeo hulala mara tatu zaidi kama kiwavi kuliko kwenye kokoni, kipepeo kina muda gani kwenye kokoni?


### Response:
 Hebu c iwe muda ambao kipepeo hulala kwenye kokoni na l iwe muda ambao hulala kama kiwavi. Tunajua kwamba l = 3c na l + c = 120.
Kwa kubadilisha equation ya kwanza kwenye equation ya pili, tunapata 3c + c = 120.
Kwa kuunganisha vipengele kama, tunapata 4c = 120.
Kwa kugawanya pande zote mbili na 4, tunapata c = 30.