Which of the following statements have the same result? Explain each step in solving each one. I. f(3) when f(x) = 2x - 5
II. f−1(2) when f(x) = (2x+4)/5
III. 4y + 10 = 3y + 13
(10 points)

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?