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It cost 450 yuan money to buy a suit. What is the original price of this suit?
Topic: All clothes are reduced by 20% on Thanksgiving Day. Mom has a discount card and can also reduce the price 10%. Mother bought a suit and spent 450 yuan. What is the original price of this suit?

Solution: Suppose the original price of this suit is X yuan.

x×( 1-20%)×( 1- 10%)= 450

x×( 1-0.2)×( 1-0. 1)= 450

x×0.8×0.9=450

x×0.72=450

x=450÷0.72

x=625

The original price of this suit is 625 yuan.