For a color TV, the current price is 2 / 11 lower than the original price. It regards () as unit 1. What's the current price?

For a color TV, the current price is 2 / 11 lower than the original price. It regards () as unit 1. What's the current price?

It regards (original price) as unit 1, and the current price is (9 / 11) of the original price

The fact that the current price of a color TV set has been reduced by 2 / 11 compared with the original price is that () is regarded as unit "1". What is the current price of () multiplied by 2 / 11? What is the current price multiplied by (minus 2 / 11)?

Original price, 9 / 11
original price,
9／11

The price of a commodity is reduced by one tenth at the first time and one tenth at the second time. The result is that the price is reduced by several percent compared with the original price

1-（1-1/10）×（1-1/10）
=1-0.81
=19/100