Question

In a maths class the ratio of girls to boys is 4 : 5 .
If there are 27 students in the class, how many people who are not boys in class
select one
15

12

20

16

Answer 1

Answer:

12

Step-by-step explanation:

Let the common factor be x

Now

4x + 5x = 27

9x = 27

x = 3

No of boys = 5x = 15

No of girls = 4x = 12

So the correct answer is 12.

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