A commodity is sold at a discount of 15% for the first time and 10% for the second time. The original price of a commodity is 6 yuan cheaper than that of the first time A commodity is sold at a discount of 5% for the first time and 10% for the second time. The second time is 8 yuan cheaper than the first. What is the original price of this product

8 / (0.95-0.9) = 8 / 0.05 = 160 yuan
The original price is 160 yuan

A commodity is sold at a discount of 15% for the first time and 10% for the second time. The original price of a commodity is 6 yuan cheaper than that of the first time

6 × (95% - 90%) = 6 ÷ 5% = 120 yuan
The original price is 120 yuan

A piece of clothing is sold at a reduced price. For the first time, it is sold at 95% of the original price. The second time, it is sold at 90% of the original price. The second time is 6 yuan cheaper than the first time. How much is the original price of this dress?

6÷0.05=120

A commodity is sold at a discount of 95% for the first time and 9% for the second time. It is 6 yuan cheaper than the first time. What is the original price?

6÷（95%-90%）
=6÷5%
=120 yuan

A kind of commodity is bought at a discount of 85% for the first time, 70% for the second time, and 60% cheaper for the second time. What is the original price of the product

0.85x original price - 0.7x original price = 60
0.15x original price = 60
Original price = 60 / 0.15
Original price = 400 yuan
The original price is 400 yuan

A product with a 20% discount is 400 yuan cheaper than a 10% discount?

Original price = 400 × (0.9-0.8) = 4000 yuan

1. The bookstore delivered a kind of children's story book, which sold 30% on the first day and 120% on the second day, 30 more than the first day? 2. The number 10% more than () is 22

1. X copies of the equipment have been delivered
30%X+30=30%*120%X
X=500
2. Set to X
X+10%X=22
X=20

Bookstores bring in a kind of books. They sell 30% on the first day and 120% on the second day. They buy 30 more than the first day. How many books does the bookstore deliver Bookstores bring in a kind of books. They sell 30% on the first day and 120% on the second day. They buy 30 more than the first day. How many books does the bookstore deliver?

The next day the total was sold
30％×120％＝36％
Books from bookstores
30 × (36% - 30%) = 500 (capital)

1. There are lots of books in the bookstore, which are sold 30% on the first day and 120% on the second day, 30 more than the first day. How many of these books are transported from the bookstore? 2. "Individual income tax" is based on the state's income level of 800 yuan, and the part exceeding 800 yuan per month is collected in proportion. The rules are as follows: More than 500-1000 1000-2000 2000 =500 ＞1000 =1000 ＞2000 =2000 Tax rate 5% 10% 15% How much tax should a person pay if his income is 4000 yuan / month?

1. There are x copies of these books
120%*30%*x-30%*x=30
X = 500
2.(4000-800)*15%=480
You should pay 480 yuan

The bookstore delivered a batch of books, which sold 5 / 12 on the first day, 160 copies on the second day, and 120 copies left. How many books are there in this batch

x-x*5/12-160=120
x-x*5/12=280
x*7/12=280
x=460