The original price of a hair dryer was 80 yuan. Now it is sold at 70% of the original price. How many yuan can be saved

It's 24 yuan cheaper and 56 yuan after the price reduction

RELATED INFORMATIONS

1. 99 × 100 / 99 + 99.99
2. A Book of 80 pages, has read 30 pages, has read less than the rest of the percentage? The answer is: (80-30-30) / (80-30) why?
3. "Fairy tale" has 100 pages, I have read 80 pages. (1) what percentage of the book has been read? (2) what percentage of the book is left
4. 80% of what number is more than 60% of 100
5. What percentage of 80 is 1.100? What percentage of 100 is 2.80? What percentage is 3.100 more than 80? What percentage is 4.80 less than 100?
6. Math problem: the original price of a dress is 899 yuan, the current price is 249 yuan. How much discount did he give?
7. A few math problems, very urgent! ① the current price of a dress is 33.4 yuan, which is 6.4 yuan cheaper than the original price. How much is the price reduction? ① The current price of a dress is 33.4 yuan, which is 6.4 yuan cheaper than the original price. How much is the price reduction? ② For a batch of grain, 40% of the total amount was transported in the first time and 112 packages were transported in the second time 75% of the total. How many packages are there in this batch of grain?
8. The original price of a dress is 15% off 1500. How much is the present price?
9. What's the current price
10. The original price of a barrel of peanut oil was 80 yuan, but now it is 20 yuan higher than the original price. How much higher is the current price?
11. (1) The school bought back 80 sets of new desks and chairs for 8400 yuan. Each desk is 70 yuan. How much is each chair? (2) The number of the school dance team is three times that of the basketball team, just 30 more than that of the basketball team. How many people are there in the dance team and the basketball team?
12. The average score of Xiaohua's previous math tests was 80 points, and this time he got 100 points, which just raised the average score of these tests to 85 points?
13. Seven moon cakes for 12 people, 2 yuan each, how to finish the average, the child asked me
14. There are 50 students in a class. In a math exam, the average score of the top 30 students is 12 points higher than that of the bottom 30 students. One student added the average score of the top 30 students The average score of the last 20 points, divided by 2, mistakenly thinks that this is the average score of the class. How much has he increased (or decreased) compared with the average score of the whole class? The average score of the last 20 points, divided by 2, mistakenly thinks that this is the average score of the class. How much has he increased (or decreased) compared with the average score of the whole class? It's urgent!
15. A mathematics test, the average score of the class is 91.2 points, known 21 girls, the average score of 92 points per person, boys
16. In a math test, the full score is 100, and the average score of 36 students in the class is 67 In a math test, the full score is 100, and the average score of 36 students in the class is 67. If the scores of a, B, C, D and E are removed, and the average score of the rest is 62, then the score of C in this test is 100____ . I can only calculate the total score and average score of ABCDE. How can I know the C score 8181818181 / 1818181818 - 818181 /1 81818=？ |1/1001-1/1000|+|1/1002-1/1001|=？ Simple calculation
17. The cost of a commodity is 80 yuan per piece. If it is sold at the original price, 100 pieces can be sold every day, and the profit of each piece is 15% of the cost. Later, it is sold at 90% of the original price, and the daily sales volume is increased to 1.5 times of the original. Then, compared with the money earned every day later, what you earn more is () A. The original B. later C. as much as D. can not be compared
18. The price of a commodity is reduced by 1 / 5 for the first time and 1 / 5 for the second time on the basis of the first time. The final price is 80 yuan. How much is the original price of this commodity?
19. On the basis of 80% of the original price, and then 70% of the price, only 8400 yuan. How much is the original price?
20. A clothing store has two pieces of clothes with different purchase prices, both of which are sold at 150 yuan. One of them makes 50% profit and the other loses 50%, How profitable is the clothing store?