Use the table given to answer questions (a) and (b).
- What was the total number of scones sold?
- Express your answer in terms of b in the simplest form. If b = 18, how many less scones were sold on Saturday than on Sunday?
Day | Number of scones sold |
Monday to Friday | 3b per day |
Saturday | b + 30 |
Sunday | 4b - 7 |