On a school field trip, the number of students (y) is always proportional to the number of adults (X). In one group there are 96 students and 8 adults. What is the constant of proportionality between this relationship?

Just tell me how to set up the equation.

I’m really confused and need your assist me with this question i’ve never been taught

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?