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

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.

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? 

In the fỉrst semester, the ratio between excellent student and the rest of this class are 3/7. In the next semester, there are 4 good students becomes excellent, so that the number of excellent are 2/3 the rest. How many students are there in this class?

in a class A of 160 students, the ratio of boys to girls is 3 to 5.in the class B, the ratio of boys to girls is 3 to 2. when the to classes are combined, the ratio of boy to girls is 1 to 1. how many students are there in the class B

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 fewer  than 30 students in the mathematics class. One half of them play the piano, one quarter play hockey and one seventh are in the school play. How many of the students play hockey?

A shool has 24 classes and there are 40 students in each class. 1/8 of the students wear glasses and 1/12 of those who wear glasses are boys. How many schoolgirls wear glasses in the schoool?

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