the number of boys and girls in a class are in ratio of 7:5. the number of boys is 8 more than girls what is the total strength of the class?

by mongoose

total no of students 48

20

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the number of boys and girls in a class are in ratio of 7:5. the number of boys is 8 more than girls what is the total strength of the class?

by mongoose

total no of students 48

20

Log in to add a comment

The Brainliest Answer!

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.

Let the no. of girls be 5x

No. of boys=7x

According to the question

5x+8=7x

7x-5x=8

2x=8

x=8/2

x=4

No. of girls=5*4=20

no. of boys=7*4 or 5*4+8=28

Hence the total strength of the class is 20+28=48

No. of boys=7x

According to the question

5x+8=7x

7x-5x=8

2x=8

x=8/2

x=4

No. of girls=5*4=20

no. of boys=7*4 or 5*4+8=28

Hence the total strength of the class is 20+28=48

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.

B:g=7:5

b=8+g

=>(8+g):g=7:5

=>g=20

Hence,b=8+g

=>b=8+20=28

therefore,there are 28 boys and 20 girls in the class.

=>total strength in the class=28+20

=48

b=8+g

=>(8+g):g=7:5

=>g=20

Hence,b=8+g

=>b=8+20=28

therefore,there are 28 boys and 20 girls in the class.

=>total strength in the class=28+20

=48