Use the table given to answer questions (a) and (b).
- What was the total number of shortbreads sold?
- Express your answer in terms of i in the simplest form. If i = 12, how many less shortbreads were sold on Saturday than on Sunday?
Day | Number of shortbreads sold |
Monday to Friday | 7i per day |
Saturday | i + 24 |
Sunday | 4i - 8 |