Use the table given to answer questions (a) and (b).
- What was the total number of croissants sold?
- Express your answer in terms of d in the simplest form. If d = 30, how many more croissants were sold on Sunday than on Saturday?
Day | Number of croissants sold |
Monday to Friday | 7d per day |
Saturday | d + 33 |
Sunday | 4d - 6 |