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

### Instruction:
 Alexa ana kibanda cha limau ambapo anauza limau kwa $2 kwa kikombe kimoja. Ikiwa alitumia $20 kwa viungo, anahitaji kuuza vikombe vingapi vya limau ili apate faida ya $80?


### Response:
 Ili apate faida ya $80, anahitaji kupata $80 + $20 = $<<80+20=100>>100
Anahitaji kuuza $100 / $2 = <<100/2=50>>50 vikombe vya limau.