Question

At a rap concert, the ratio of the number of boys to the number of girls is 9: 5. If there

are 320 more boys than girls, how many boys and how many girls are at the concert?

Answer 1

X=80

Explanation:

9x=320+5x

9x-5x=320

4x=320

X=320/4

X=80

So the number of girls =5×80

=400.