How much does it cost to buy 7 dictionaries and spend 770 yuan to buy 9 dictionaries?

Updated on number 2024-04-22
21 answers
  1. Anonymous users2024-02-08

    This is a relatively simple math problem, first of all, you first calculate that the unit price of a dictionary is 110 yuan, so that you can calculate that the ** of nine dictionaries is 990 yuan.

  2. Anonymous users2024-02-07

    7 dictionaries cost 770 yuan, so the amount of money spent on a dictionary is 770 yuan divided by 7 equals 110 yuan. Then buy another 9 copies by multiplying the unit price by the quantity to equal the total price, which is 110 9 = 990 yuan.

  3. Anonymous users2024-02-06

    First, calculate the price of a dictionary is 770, divided by 7 = 110 yuan.

    Then use 110 9 = 990 yuan, so if you buy nine books, you need 990 yuan.

  4. Anonymous users2024-02-05

    According to the title, the column is as follows. 770 7 9 = 990 yuan. A: It costs 990 yuan to buy 9 dictionaries.

    Calculate the price of each dictionary first, and then calculate the price of 9 copies.

  5. Anonymous users2024-02-04

    According to the inscription column, it is calculated as follows:

    990 yuan. Answer: It costs 990 yuan to buy 9 copies.

  6. Anonymous users2024-02-03

    770 7=110 That is, a dictionary is 110 yuan. 9 is 9 110. That is, 9 110 = 990, and it costs 990 yuan to buy 9 copies.

  7. Anonymous users2024-02-02

    In fact, if you have to search for my money, it won't be very cheap.

  8. Anonymous users2024-02-01

    Seven dictionaries cost 770 yuan to buy nine copies, how much does it cost? Let's make a proportional formula. 770 on the West Side and divide it by nine to know how much it is.

  9. Anonymous users2024-01-31

    If you buy seven dictionaries and spend a total of 770 yuan, then it will definitely cost 990 yuan to buy nine.

  10. Anonymous users2024-01-30

    I bought 7 dictionaries, spent 770 yuan, and 9 of them cost 990 yuan (because each dictionary is 110 yuan).

  11. Anonymous users2024-01-29

    770÷7x9=990

    I bought 7 dictionaries, spent 770 yuan, and 9 books cost 990 yuan.

  12. Anonymous users2024-01-28

    A Xinhua dictionary costs 30 yuan, buy five and get one free, we can solve this problem from two angles, the first method.

    Buying six copies means buying five copies and getting one free, then it is also saving money for one book, that is, 30 yuan.

    The second method.

    It costs a total of 30 6 = 180 yuan to buy six copies, but according to the current preferential activities, buy five get one free, how to buy six copies, a total of **30 5 = 150 yuan for a total of five copies, 180 minus, 180-150 = 30 yuan, so buy six books and save 30 yuan.

  13. Anonymous users2024-01-27

    This question is not very clear, and there are two possibilities.

    The first one is just to say the answer directly, saving 30 yuan. Because I gave a copy, I didn't need to pay for this one, and I saved 30 yuan for a book, which is 30 yuan.

    The second says that each book saves 5 yuan. Because buy 5 get 1 free, it is equivalent to buying 6 books should pay 30 6 = 180 yuan, and the actual payment of 30 5 = 150 yuan is equivalent to 150 6 = 25 yuan per book, so each book saves 30-25 = 5 yuan.

  14. Anonymous users2024-01-26

    A dictionary of ** = 49 7 = 7 yuan.

    It costs 7 + 5 = 12 yuan to buy one each.

  15. Anonymous users2024-01-25

    Dictionary unit price: 49 7 = 7 (yuan).

    One copy each: 7 + 5 = 12 (yuan).

    It is recommended to study hard, this kind of question should not be asked.

  16. Anonymous users2024-01-24

    Solution: = 12 yuan. A: It costs a total of 12 yuan to buy a copy each.

  17. Anonymous users2024-01-23

    Buy 5 and get one free, 35 yuan each, 840 yuan can buy up to 28 dictionaries. Divide the total amount of money by the unit price of each dictionary to get the quantity, that is, 840 divided by 35 equals 24 copies, buy five copies and get one free with 24 divided by 5 equals, and the last one sent is still one short, so a total of 4 copies were sent, and 24 plus 4 equals 28 copies.

  18. Anonymous users2024-01-22

    If you buy a dictionary of 28 yuan, 278 yuan can buy up to 9 copies, if you buy according to the ** of 48 yuan for the two grandsons of Closed Kaixi, a copy is 24 yuan, and there are still yuan, then 278 yuan can buy 11 copies, there are still yuan, I hope it can help you.

  19. Anonymous users2024-01-21

    196 39 = 5 (Ben)....1 (yuan).

    Answer: You can buy 5 dictionaries, and there is 1 yuan left

  20. Anonymous users2024-01-20

    The dictionary is 6 yuan per book, buy 4 get 1 free, and it takes at least 30 yuan to buy 6 copies.

    6÷(4+1)=1……1,6 (6 1) 30 yuan.

    The quotient in the division equation represents the dictionary number of concessions.

  21. Anonymous users2024-01-19

    A dictionary is sold for 7 yuan after a 7% discount, and the original price of this dictionary is 45 yuan.

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