Question

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

Answer 1

Answer:

total strength of class is 48

Answer 2

Let,

Number of boys = 7x

Number of girls = 5x.

According to your question,

7x = 5x + 8

7x - 5x = 8

2x = 8

x = 2 / 8

x = 4 .

so,

Number of boys = 7x = 7 × 4 = 28 .

Number of girls = 5x = 5 × 4 = 20 .

Total strength = 28 + 20 = 48 .

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