Question

hey guys....
plzzzzz
fast...
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 girls. what is the total class strength ?
plz fast..
I need the method ​

Answer 1

hey mate...

here is ur answer...

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

I hope it's help u ☜☆☞

Answer 2

Let the number of boys=7x and ......

no of girls =5x........ ......

According to question

7x=5x+8

....=7x-5x=8

2x=8

X=8/2=4

.......Hence no of boys =7*4=28 & girls =5*4=20........
Total no of students =28+20=48
HOPE IT HELPS