There is a washing machine in the shop, which is sold at 20% discount. The price is 1200 yuan. The price of this washing machine is ()

There is a washing machine in the shop, which is sold at 20% discount. The price is 1200 yuan. The price of this washing machine is ()

A: if the price of this washing machine is x, X * 80% = 1200, then x = 1500
So the original price of this washing machine was 1500 yuan