there are 9 more boys than girls in a class . There are 37 students in all . how many girls are there in the class ?
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g = 3/4 b
g+b=1400
7/4 b = 1400
b = 800
g = 600
1st grade boys: 1/5 * 800 = 160
1st grade girls: 1/6 * 600 = 100
total 1st grade: 260
others: 1140
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Một dàn hợp xướng của trường có tổng cộng 72 thành viên . Số bạn nữ nhiều hơn số bạn nam là 6 bạn. Có bao nhiêu bạn nữ trong dàn hợp xướng của trường ?
The number of students of class 5B is:
8 : (9 - 7) × 7 = 28 (students)
The number of students of class 5A is:
8 : (9 - 7) × 9 = 36 (students)
Có số học sinh nam là: 48- 21 =27(học sinh nam)
Số học sinh nam hơn số học sinh nữ là: 27 - 21 = 6(học sinh)
- Her class has fewer girls than my class.
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- Lan’s sister isn’t as intelligent as Lan.
- How beautiful is that Christmas tree!
- My sister wasn’t able to swim last year.
- How heavy were you two years ago?
- What is wrong with you?
Đánh dấu v vào câu đúng và sửa lỗi câu sai.
1 is there an opera in our city? Đúng
2 Are there many girls in your class? Đúng
3 is there any police stations nears the hospital? Is => Are
4 There is someone looking at me. Đúng
5 Are there a bananas in the basket? a bananas => any bananas
6 Are there many boys on the school? on => in
7 Aren't there many people on the street Aren't there => There aren't
8 There isn't a butter in the fridge. Đúng
9 There are some photos in her bags Đúng
In the class has (37-9):2=14(girls)
Đ/S:14 girls
In the class has:(37-9)/2=14(girls)
Đ/S:14 girls