Is the relationship between the variables in the table a direct or inverse variation or neither? If it is direct or inverse, write a function to model it. x 4 8 16 32
y 32 16 8 4

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?