Question

The music room, the ratio of the number of clarinets to the number of flutes was 3 : 4. after the school bought another 24 flutes, the ratio became 3 : 8. how many clarinets were there in the music room?

Answer 1

3:8 (after)
3:4 (before)

8-4=4
so,
24÷4=6
1=6

if there was 3:8
3×6:8×6
=18:48

the number of clarinets is 48