Question

total number of the boys and girls in a class is 104. if the number of girls is 20 more than that of boys. find the number of the boys?​

Answer 1

Step-by-step explanation:

let the number of boys in the class=x

so the no of girls is x+20

so by equating

x+x+20=104

2x+20=104

2x=84

x=42

so the no of boys =42

and no of girls=42+20=62

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Answer 2

let number of boys be x

therefore number of girls = x + 20

x + x + 20 = 104

2x + 20 = 104

2x = 104 ‐ 20

2x = 84

x = 84/2

x = 42

Number of boys = 42