Zoe's bank offers 2% simple interest on Simple Savings accounts. If she deposits her $500 of graduation money into a Simple Savings account for 5 years, how much interest will she earn?

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?