An employee was randomly chosen from a company. if the expected value of the age of the employee is years old, the mean age of all the employees in the company is years old. a. 48; 32 b. 32; 48 c. 32; 32 d. 48; 60

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?