After a 15% price reduction, the price of a washing machine is 1020 yuan. How much is the original price of this washing machine?

After a 15% price reduction, the price of a washing machine is 1020 yuan. How much is the original price of this washing machine?


The original price is 1020 (1-15%) = 1200 yuan



The original price of the washing machine is a yuan / set. If the price is reduced by 15% on the basis of 20% for the first time, the current price of the washing machine will be?


a×(1-20%)×(1-15%)=0.68a



The original price of a washing machine is 1450 yuan. Now it is sold at a 20% discount, but the price is still higher than the cost. 19. How much is the cost of this washing machine?


1450 × (1-20%) / (1 + 19), = 1450 × 0.8 × 910, = 1044 yuan. A: the cost of this washing machine is 1044 yuan