The price of a coat is 170 yuan at a 25% discount. How much is the original price of the coat? How much is the current price cheaper than the original price?

The price of a coat is 170 yuan at a 25% discount. How much is the original price of the coat? How much is the current price cheaper than the original price?

170 △ 85% = 200 (yuan), 200-170 = 30 (yuan); a: the original price of this coat is 200 yuan, and the current price is 30 yuan cheaper than the original price