Question

. In a class of 30 students the number of
girls is 1/5th of the number of the boys.
How many boys are there in the class?​

Answer 1

Answer:

suppose

boys=x

girls=1/5x

1x+1/5x=30

6/5x=30

30×5/6=x

25 =x

boys 25

girls 5

hope you understand

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Answer 2

Total students in class= 30

Let no. of boys be x.

No. of G are = 1/5 of x

So, 1/5x + x = 30

6x/5 = 30

6x = 150

x = 25

So no. of boys = 25