Wellington is hosting a graduation party. He poured some pineapple juice from the container shown below for his guests. The figure shows how much pineapple
juice was left in the container after Wellington poured some out.
1 gallon
gallge
gallon
gallon
The amount of pineapple juice shown is of the amount originally in the
container. Was the container full when Wellington began pouring? Explain how
you know.