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

### Instruction:
Selena and Josh were running in a race. Together they ran 36 miles. Josh ran half of the distance that Selena ran. How many miles did Selena run?

### Response:
 ให้ J = ระยะทางของจอช์
2J = ระยะทางของเซลีน่า
J + 2J = 36
3J = 36 ไมล์
J = 12
2J = 24 ไมล์
เซลีน่าวิ่งได้ 24 ไมล์