its bella saves more per chore than sweet tea, because 3.5 x c = the amount of chores bella does. Add 11 to that, and she will get more than Sweet Tea. for Sweet tea, one chore saves her twelve dollars. For Bella, one chore saves her more.
Albert because 1/2 or .5 is grater than .4
He earned $20 because 20% of $100 is $20
What you put is correct because two negatives make a positive so it would be 5 + 7 making it the greatest value