Respuesta :

Answer:

18

Step-by-step explanation:

in 1/3 he packages 6

in 2/3 its 12

in 3/3 its 18

it increases per 1/3

or every 20 minutes in 6 candies

He can package 18 boxes per hour
Explanation: 12 boxes in 2/3 of an hour means 6 boxes in 1/3 and 6x3= 18 boxes