Question

The numbers of boys and girls in a class are in the ratio 4:9.The number of girls is

20 more than the number of boys .What is the total strength of the class?
PLEASE ANSWER​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Ratio = 4:9

Step-by-step explanation:

No. of boys = 4x

No. of girls = 9x

Solution

9x+20=4x

9x-4x = 20

5x = 20

X = 4

No.of boys = 4*4=16

No.of girls = 4*9=36

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