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

### Instruction:
There were 2450 sheets of paper that were evenly split into 5 binders. Justine took a binder and colored on one-half of the sheets of paper. How many sheets of paper did Justine use?

### Response:
 มีกระดาษ 2450/5 = <<2450/5=490>>490 แผ่นในแต่ละสมุด
จูสตินใช้สีบนกระดาษ 490/2 = <<490/2=245>>245 แผ่น