Agray whale traveled 152 kilometers in one day. the whale swam between 7 and 8 kilometers each hour. about how many hours did it take the whale to swim the distance? show two different ways that you can use compatible numbers to find an answer. then solve.

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?