The ratio between the numbers of books a sister and a brother had was 3:10 . The brother bought 52 books, then the ratio between the numbers of books the sister and the brother have becomes 2 :11. How many books does the brother have now?
K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Những câu hỏi liên quan
DL
7 tháng 5 2017
Bạn có câu hỏi nào liên quan tới Toán tiếng Anh thì lên mathu :))
Tìm 2 số biết tổng của chúng là 0,25 và tỉ số giữa chúng là 0,25
Ta có : 0,25 = 1/4
Số lớn :
0,25 : (4+1) x 4=0,2
Số bé :
0,25-0,2=0,05
Đáp số : 0,05;0,2
G
15 tháng 4 2018
Inspiring children to love books was the goal of the first Big Brother Mouse Reading Festival held in a province in Laos,onJuly 23-24.
The two-day event, which ended on sunday, was attended by about 1100 children and their parents. The festval was organized by Big Brother Mouse, a publishing company that promotes literacy in Laos by distributing fun to books. Big brother mouse books are written and illustrated by Laos author and distributed widely throughout the country.The eventwas packed with things to do and ????? including readings, games, a story-writing contest and ??? dancing and music. Many teachers were among those and read books aloud to children during the event.
The director of the department of the information and culture spoke at the opening od the event, saying that books provide readers of ll ages with information(?) and new experiences
OH
10 tháng 8 2018
Suppy the correct tense of the verbs in the brackets.
1. It's 8 o'clock. I (stay) ....am staying.... at home. I (play) ....am playing.... games with my friends my brother (read) ....is reading.... a book in his room.
2. How many books does your library (have) ....have....?
- It (have) ....has.... a lot, about one thousand.
3. Nam (go) ....goes.... to the library every day. He (like) ....likes.... reading books, but he (not like) ....doesn't like.... biology and history books.
4. Is your brother (make) ....making.... so much noise in your room?
5. I (see) ....am going to see.... a movie tomorrow. Will you (go) ....go.... with me?
6. How do I (find) ....find.... a book in the library?
7. What do your sister and you usually (do) ....do.... in the evening?
- I usually (watch) ....watch.... TV and she (do) ....does.... her homework.
8. My sister (practise) ....practises....the piano in the club three times a week.
9. In my country, there (be) ....are.... no lessons on Saturday.
10. I (give) ....am going to give.... the farewell party next month.
Chúc bạn học tốt :D
10 tháng 8 2018
Suppy the correct tense of the verbs in the brackets.
1. It's 8 o'clock. I (stay) am staying at home. I (play) am playing games with my friends my brother (read) is reading a book in his room.
2. How many books does your library (have) have ?
- It (have) has a lot, about one thousand.
3. Nam (go) goes to the library every day. He (like) likes reading books, but he (not like) doesn't like biology and history books.
4. Does your brother (make) make so much noise in your room?
5. I (see) will see a movie tomorrow. Will you (go) go with me?
6. How do I (find) find a book in the library?
7. What do your sister and you usually (do) do in the evening?
- I usually (watch) watch TV and she (do) does her homework.
8. My sister (practise) practises the piano in the club three times a week.
9. In my country, there (be) aren't no lessons on Saturday.
10. I (give) will give the farewell party next month.
AM
10 tháng 7 2016
Đây là online math mà coi chừng bị trừ điểm hỏi đáp hoặc nặng hơn là bị khóa nick đó
Ai thấy mk nói đúng thì k mk nha
13 tháng 7 2019
Đáp án: D
Giải thích: Dựa vào câu trước có thể suy ra động từ tương ứng là “teach”
Dịch: Tôi dạy ở một trường tiểu học ở Mỹ
