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

### 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:
2450 sheets / 5 binders = <<2450/5=490>>490 sheets/binder
490 sheets/binder * (1/2) = <<490*(1/2)=245>>245 sheets/binder
Justine colored on 245 pieces of paper.
#### 245