Question

The ratio of the number of girls to boys in a class is 6:11. If the total students in the class is 51, find the number of girls in the class.​

Answer 1

Step-by-step explanation:

let let the ratio is equal to X

6 X + 11 X = 51

17x=51

x=3

no of girls = 6×3= 18 girls

so the required answer is 18

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Answer 2

Step-by-step explanation:

Let,

Number of girls = 6x

Number of boys = 11x

now , total number of students = 51

so,

6x + 11x = 51

17x = 51

x = 3

now number of girls = 6x

= 6×3

= 18 students are girls