The ratio of number of girls and boys in a class is 1:3. Set up an equation between the students of a class and boys and then draw its graph. Also find the number of boys in a class of 40 students from the graph. 

Asked by manmeetsaini1516 | 29th Jun, 2022, 03:21: PM

Expert Answer:

Let the number of girls be x and number of boys be 3x
As per the question, x + 3x = 40
i.e. 4x = 40
i.e. x = 10
Thus, the number of boys = 30

Answered by Renu Varma | 30th Jun, 2022, 12:33: PM