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

### Instruction:
 Nancy anapata $28 kwa kufanya kazi saa 4. Anapaswa kufanya kazi kwa saa ngapi ili apate $70?


### Response:
 Nancy anapata $28/4 = $<<28/4=7>>7 kwa saa.
Hivyo, anapaswa kufanya kazi kwa saa $70/$7 = <<70/7=10>>10 ili apate $70.