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

### Instruction:
 黛比和玛吉同意分享一笔钱，使得黛比拿走25%，玛吉拿走剩下的。如果玛吉的份额是4500美元，他们分享了多少钱？


### Response:
 如果黛比的份额是25%，那么她拿走的是总金额的100% - 25% = 75%。
如果玛吉的份额是4500美元，那么总金额是4500 / (75/100) = 6000美元。