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

### Instruction:
 Ofelia alijiunga na changamoto ya kuweka akiba ambapo anapaswa kuweka mara mbili ya kiasi alichokiweka mwezi uliopita. Januari, alikuwa ameweka akiba ya $10. Ataweka kiasi gani mwezi wa Mei?


### Response:
 Mwezi wa Februari, Ofelia ataweka akiba ya $10 x 2 = $<<10*2=20>>20.
Mwezi wa Machi, ataweka akiba ya $20 x 2 = $<<20*2=40>>40.
Mwezi wa Aprili, ataweka akiba ya $40 x 2 = $<<40*2=80>>80.
Na mwezi wa Mei, ataweka akiba ya $80 x 2 = $<<80*2=160>>160.