Use the table given to answer questions (a) and (b).
- What was the total number of scones sold?
- Express your answer in terms of a in the simplest form. If a = 19, how many more scones were sold on Sunday than on Saturday?
Day | Number of scones sold |
Monday to Friday | 5a per day |
Saturday | a + 23 |
Sunday | 4a - 8 |