Math, asked by Angeljohn, 11 months ago

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

Answers

Answered by tanisha272
306

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

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Answered by palu24
97

Answer:

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.

Hope it helps you..

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