the final cost of the shirt would be $17.66.
to find the answer you multiple $24 by 20% and you get 4.8. once you’ve done that you subtract 4.8 from 24 which gives you 19.2. Then do the same thing but with 8% so multiple 19.2 by 8% and you get 1.536. Finally subtract 1.536 from 19.2 and you end up with 17.664 round it and you get $17.66.