Bella gains 11c for every chore and Sweet T gains 2c for every chore done.
after 5 chores are done Bella will have 58.5 and Sweet T only has 20 so the only question that would make sense is Bella saves more per chore than Sweet T.
The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept. If you know two points that a line passes through, this page will show you how to find the equation of the line.