How much is the current price of a 100 yuan item, which is reduced by 10% and then increased by 10%?

How much is the current price of a 100 yuan item, which is reduced by 10% and then increased by 10%?

100 × (1 + 10%) × (1-10%) = 100 × 1.1 × 0.9 = 110 × 0.9 = 99 yuan; answer: the current price is 99 yuan

The original price of a product is 100 yuan, and the price is reduced by 20% and 10%. How much is the price?

100×80％×90％=72

For 100 yuan goods, first increase the price by 20%, and then reduce the price by 20%. For 100 yuan goods, first reduce the price by 20%, and then increase the price by 20%. Compared with the original price (), ()
It's expensive or cheap

First increase the price by 20%, then reduce the price by 20%, and the current price is 100 * (1 + 20%) * (1-20%) = 96
First reduce the price by 20%, then increase the price by 20%, the current price is 100 * (1-20%) * (1 + 20%) = 96
Both current prices are cheaper than the original ones

The original price of a commodity is 100 yuan, then the price is increased by 1 / 5 and reduced by 1 / 4. How many tons is the current price of this commodity?

The current price of this commodity is 100 * (1 + 1 / 5) * (1-1 / 4) = 90