Question

class of 64 students the number of girl is 1 by 7 the number of boys find the number of girls and boys in the class​

Answer 1

Answer:

ratio of girls to boys = 1:7

let girls = x & boys = 7x

now,

x+7x = 64

or, 8x = 64

or, x = 64/8

or, x = 8

girls = x = 8

boys = 7x = 7×8 = 56

ans.

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Answer 2

Answer:

Total number of students=64

Number of girls =1/7

Let the number of boys be x.

1/7×x=64

x=64÷1/7

x=64×7

x=448

number of girls =448/7

number of girls =64