3:2=5 so girls are 2:5 set up the proportion 2/5=x/9 5x=18 x=3.6 girls; doesn’t work so no!
another way you can look at it is because there are 3 boys for every 2 girls, add 2 more girls, you’ll get 3 more boys that makes the total of 10 people so 9 is impossible
