Use the table given to answer questions (a) and (b).
- What was the total number of tarts sold?
- Express your answer in terms of k in the simplest form. If k = 14, how many more tarts were sold on Sunday than on Saturday?
Day | Number of tarts sold |
Monday to Friday | 5k per day |
Saturday | k + 21 |
Sunday | 4k - 6 |