a wedding hall is in the shape of a rectangle with 60 feet length they wanted to make an extension. original area of the hall ny 20%. unfortunately the department of buildings told the owners this enxtenxsion was not legal l. so they had to reduce the total area by 10%. what is the final area of the wedding hall.​

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?