Respuesta :

if 20 pencil=12 ounces then 50pencil=30 ounces in order to get from 20 to 50 you multiply 2.5 to 20 so just multiply 2.5 to 12 and you get 30
If 20 pencil=12 ounces then 50pencil=30 ounces. To get from 20 to 50 you multiply 2.5 to 20 so you just multiply 2.5 to 12  (2.5x12) you get 30
2.5x12=30

hope this helps