Statement 3m-9 true or false

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

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?