Question

in a class 20% of boys is equal to 1/4 of the girls whats the ratio of boys:girls in the class

Answer 1

Step-by-step explanation:

Let the total number of students=100

Ratio of boys and girls=2:3

2+3=5

No. of boys =  

5

2

​  

×100=40

No. of girls=  

5

3

​  

×100=60

If 20% of the boys leaves the class then 20% of 40

100

20

​  

×40=8

Now number of boys=40−8=32

New ratio=32:60⇒8:15

Answer 2

Answer:

5:4

Step-by-step explanation:

Total students = 100

20% of B = 1/4 G

⟹ 20B/100 = 1/4G

B:G = 80/400

B:G = 5:4

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