Answer: 3.2x = 12.8
Step-by-step explanation: Lets have x equal each box that weighs 3.2 pounds.
The expression: 3.2x = 12.8 represents that each box, x of candies will weigh 3.2 pounds and the total weight of the candies will equal 12.8 pounds of candy.
Additional: There are 4 boxes of candy, 12.8 divided by 3.2 = 4