It is cut into three pieces so that the second piece is twice as long as the first piece. If x represents the length of the first piece, then the length of the second piece is 2x.
If the third piece is five times as long as the first piece, then the length of the third piece would be
GPA and SAT score. your age really has nothing to do with your Gpa. your Gpa is your grade point average, therefore it determines how well you're doing in school. you can have any Gpa at any age, depending on your abilities.