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

### Instruction:
 Mbwa wa Sandra alijifungua watoto 7. Daktari wake alimpa sehemu 105 za fomula kwa ajili ya kuwalisha watoto kwa siku 5. Sandra anapaswa kuwalisha watoto mara ngapi kwa siku?


### Response:
 Kila siku, Sandra atakuwa na sehemu 105/5 = <<105/5=21>>21 za fomula.
Kila mtoto anahitaji kuwalishwa mara 21/7 = <<21/7=3>>3 kwa siku.