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

### Instruction:
 罗德尼比伊恩多35美元。伊恩的钱是杰西卡的一半。如果杰西卡有100美元，杰西卡比罗德尼多多少钱？


### Response:
 伊恩有100/2 = <<100/2=50>>50美元。
罗德尼有50+35 = <<50+35=85>>85美元。
杰西卡比罗德尼多15美元。