Respuesta :

Answer:

$24.68

Step-by-step explanation:

15% of 20=3

8.4% of 20=1.68

20+3+1.7=24.68

I did this by multiplying .15 by 20 to get 3, and multiplying .084 by 20 to get 1.68. Again, add it all together to get $24.68.

Hope this helps :)