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

### Instruction:
Bob, a marathon runner, is preparing for a race.  He runs a total of 70 miles in the 3 days leading up to the race. On day one he runs 20 percent of the total miles and on day 2 he runs 50 percent of the remaining miles.  How many miles does he run on day three to complete the 70 miles?

### Response:
 Siku ya kwanza: 70(.20)=14 maili
70-14=<<70-14=56>>56 maili zilizosalia
Siku ya pili: 56/2=<<56/2=28>>28 maili
56-28=<<56-28=28>>28 maili zilizosalia