A certain commodity is priced at 40% of the profit. Later, it is sold at a 20% discount. The price of each commodity is 84 yuan. What is the cost of this commodity?

A certain commodity is priced at 40% of the profit. Later, it is sold at a 20% discount. The price of each commodity is 84 yuan. What is the cost of this commodity?


Suppose the cost of this commodity is x yuan
(1+40%)x×80%=84
1.12x=84
X = 75 yuan
A: the cost of this product is 75 yuan



A product is priced at 20% profit, and then sold at a discount of 8.8%. Each product can make a profit of 84 yuan. What is the cost price of this product?


84÷【(1+ 20%)×88% - 1】
=84 ÷ 0.056
=1500 yuan



How much lower than the original price is a commodity sold at 20% discount for the first time and 20% discount for the second time?


20% off for one commodity answer: 1 × 80 × 80 = 0.64
1-0.64 = 0,. 36 0.36 = 36%
A: 36% lower (not necessarily right)



A commodity is sold at a 20% discount, and the price has been reduced by 600 yuan. How much is it necessary to buy this commodity now?


Now = 600 (1-0.8) - 600 = 2400 yuan



A certain commodity is sold at a 10% discount, which means that the price is lower ()
A. 90%B. 9%C. 10%


1-90% = 10%; a: the selling price is 10% lower than the original price



A dictionary priced at 9 yuan still earns 20% when sold at 20% discount. The purchase price of this dictionary is () yuan


There is a problem in Grade 6 of primary school: a dictionary priced at 9 yuan still earns 20% when it is sold at 20% discount. The purchase price of this dictionary is (6) yuan
Let the price of the dictionary be x, then the equation can be obtained
(1+20%)x=9*0.8
The solution is x = 6
So the original price of the dictionary is 6 yuan



A dictionary priced at 10 yuan still earns 20% when it is sold at 20% discount. What's the purchase price of this dictionary?


Purchase price = 10 × 0.8 ÷ (1 + 0.2) = 20 / 3 yuan



A dictionary is priced at 15 yuan and 20% off. What's the price of this dictionary


The price of this dictionary is X
15*0.8-x=0.2x
1.2x=12
X = 10 yuan



The math store sells a dictionary priced at 20 yuan, and it still makes 20% off. How much does the dictionary cost?


Purchase price X Yuan
20×80%=x(1+20%)
X = 16 / 1.2 = 40 / 3 (yuan)



A dictionary priced at 15 yuan still earns 20% when it is sold at 20% discount. How much is the purchase price of this dictionary


The 20% discount of 15 yuan is 12 yuan. The 12 yuan is cost plus profit, and the profit is 20% of the cost. Then 12 yuan is equal to 120% of the cost, and the cost is 10 yuan