Use the table given to answer questions (a) and (b).
- What was the total number of biscuits sold?
- Express your answer in terms of j in the simplest form. If j = 22, how many more biscuits were sold on Sunday than on Saturday?
Day | Number of biscuits sold |
Monday to Friday | 7j per day |
Saturday | j + 28 |
Sunday | 4j - 5 |