There are 30 boys and 24 girls in class 52. (1) the number of girls is a fraction of the number of boys, and the number of boys is the whole class

There are 30 boys and 24 girls in class 52. (1) the number of girls is a fraction of the number of boys, and the number of boys is the whole class

First question: the number of girls is 24 / 30 = 4 / 5
The second question: the number of male students is 30 / (3024) = 5 / 9 of the total number of students in the class. The question is not difficult. It's good to distinguish who is the one you want to ask for and how much of it is