Use the table given to answer questions (a) and (b).
- What was the total number of croissants sold?
- Express your answer in terms of w in the simplest form. If w = 30, how many more croissants were sold on Sunday than on Saturday?
Day | Number of croissants sold |
Monday to Friday | 3w per day |
Saturday | w + 33 |
Sunday | 4w - 7 |