A cookie recipe uses 3 cups of flour to make 4 dozen cookies. Colin wants to make 7 dozen cookies. What is the proportion could he solve to determine how much flour he needs?

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?