Question

The number of boys and girls in a class are in the ratio 7 : 5. The nummber of boys is 8 more than the number of girls . What is the total class strength ?​

Answer 1

Answer:

48

Step-by-step explanation:

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Answer 2

Answer:

48

Step-by-step explanation:

Let the no. of boys be 7x and no. of girls be 5x.

Given,

Number of girls + 8 = Number of boys

5x + 8 = 7x

7x - 5x = 8

2x = 8

x = 4.

Number of boys = 7x = 7 × 4 = 28

Number of girls = 5x = 5 × 4 = 20

Total strength = 28 + 20 = 48

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