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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 | 29 Jun, 2022, 03:21: PM
answered-by-expert 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 | 30 Jun, 2022, 12:33: PM

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