The price of a commodity is reduced by 1 / 5 for the first time and 1 / 5 for the second time on the basis of the first time. The final price is 80 yuan. How much is the original price of this commodity?

The second bargain was one fifth, leaving 80 yuan
So before the second price reduction, it was 80 (1-1 / 5) = 100 yuan
Similarly, the original price before the first price reduction is 100 (1 - 1 / 5) = 125 yuan

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