Question

in a class 2/3students are boys .if there are 20 girls in the class, find the strength of the class​

Answer 1

Answer:

Hey mate!!

Step-by-step explanation:

2/3 are boys

and 20 are girls

if the boys are 2/3 then girls are 1/3

1/3=20

so, 20×3 =60

so total strength of class is 60

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Answer 2

Answer:

Hello friends

let the strength of class be x so,

2x/3 are boys and

number of girls is 20

Step-by-step explanation:

A/q

2x/3+20=x

2x/3-x=-20

2x-3/3=-20

-x/3=-20

x=20×3

x=60

hence,2/3×60=40 students are boys

and as we know 20 girls in the class.

therefore: strength of class =40+20

=60 Answer.

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