Use the table given to answer questions (a) and (b).
- What was the total number of puffs sold?
- Express your answer in terms of e in the simplest form. If e = 23, how many more puffs were sold on Sunday than on Saturday?
Day | Number of puffs sold |
Monday to Friday | 7e per day |
Saturday | e + 30 |
Sunday | 4e - 7 |