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

### Instruction:
 索罗门以10%的折扣购买了一张餐桌，支付了售价450美元。这张餐桌的原价是多少？


### Response:
 餐桌以450美元的价格出售，折扣为90%。
餐桌的原价是450美元 x 10/9 = 500美元。