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The price of a coat is increased by 10% and then decreased by 10%. The ratio of the current price to the original price is (): ()
The price of a coat is increased by 10% and then decreased by 10%: the ratio of the current price to the original price is (110): (99)
The price of a coat is 100 yuan. After 10% increase, the price is reduced by 10%. Now the price of this coat is () yuan
100 * (1 + 10%) * (1-10%) = 99 yuan
For a 100 yuan jacket, first raise the price by 20%, then reduce the price by 20%. How much is it now?
100x (1 + 0.2) x (1-0.2) = 96, which is a positive solution,
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