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

### Instruction:
Coral is reading a book that is 600 pages long.  She reads half of it in the first week, and 30 percent of the remaining pages the second week. How many pages must she read the third week in order to finish the book?

### Response:
 Wiki ya kwanza: 600/2 = 300
Zilizobaki: 600 - 300 = <<600-300=300>>300 kurasa
Wiki ya pili: 300(.30) = 90 kurasa
Zilizobaki: 300 - 90 = <<300-90=210>>210 kurasa
Wiki ya tatu: 210 kurasa