Use the table given to answer questions (a) and (b).
- What was the total number of tarts sold?
- Express your answer in terms of q in the simplest form. If q = 26, how many more tarts were sold on Sunday than on Saturday?
Day | Number of tarts sold |
Monday to Friday | 4q per day |
Saturday | q + 21 |
Sunday | 4q - 6 |