Un tablero de ajedrez es un tablero cuadrado que se divide en cuadrados más pequeños, con ocho cuadrados a lo largo de cada lado. Describe cómo hallar el número de cuadrados pequeños en una
tablero de ajedrez sin contar.

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?