Question

30 girls and boys have planed for picnic.there is ratio of 3 girls to 7 boys how many boys are there? 

Answer 1

heya friend ✔

let the ratio be x...

then boys ratio 7x.

and girls ratio 3x.

According to ur question....
30 girls and boys have planned for picnic .

7x+3x=30

=>10x=30

=>x=3.......

then no...of boys =7x=7*3=21

hope it help you....

@Rajukumar your star ...☺☺