The ratio of the number of girl students to the number of boy students in a class is 3: 5 and the number of boy students is 12 students more than the number of girl students. There are...students in this class

Class 5A has 8 more students than class 5B. The number of students of class 5A and class 5B are in the ratio of 9 : 7. How many students are there in class 5B?

Complete each sentence with a quantifier from the box. More than one quantifier may be correct.
half of ; the majority of ; the number of ; one third of ; sixty per cent of
1. Less than...the population is under the age of 35
2.....the students are online at any given time.
3. Over...the students are willing to volunteer for worthy causes.
4. An estimate of.....students in the higher classes who help younger students is 25.

My class has 24 schoolboys. The number of schoolgirls is  3 4 of the number of schoolboys.

a) There are ............ schoolgirls.

b) There are ............ students in the class.

In semester I, the number of good students in class 6D was equal to \(\dfrac{2}{7}\) of the remaining students. Into semester II, the number of good students increased by 8 students (the number of students in the class was unchaged), so the number of good students became \(\dfrac{2}{3}\) of the rest. How many students were there in class 6D?

There are 48 students in a class. The ratio of the number of the girl students to the number of boy students is 1: 3. How many girl students are there in the class? 

There are 48 students in a class. The ratio of the number of the girl students to the number of boy students is 1: 3. How many girl students are there in the class? 
Answer: There are......  girl students.

In semester I, the number of good students in class 6D was equal to 2/7 of the remaining students. Into semester II, the number of good students increased by 8 students ( the number of students of the class was unchanged), so the number of good students became 2/3 of the rest. How many good students of  class 6D were there in semester I ?

Ai làm nhanh mà đúng, mình tích cho !

There are 48 students in a class. The ratio of the number of the girl students to the number of boy students is \(\frac{1}{3}\). How many girl students are there in the class?