Question

the number of boys and girls in a class are in the ratio 5:4.the number of boys in 5 more than the number of girls. how many students are there in the class? ​

Answer 1

Answer:

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Step-by-step explanation:

Let,

The number of boys = 7x and the number of girls =5x.

According to the condition,

7x = 5x + 8

2x = 8

x = 4

Therefore The number of boys = 7x = 7 × 4 = 28 and the number of girls =5x = 5 × 4 = 20.

Therefore total strength of the class = 28 + 20 = 48

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Answer 2

Answer:

Let the no. of boys will be x+5

the no. of girls will be x

Given the ratio,

therefore, 5(x + 5) : 4x