Use the table given to answer questions (a) and (b).
- What was the total number of muffins sold?
- Express your answer in terms of m in the simplest form. If m = 18, how many less muffins were sold on Saturday than on Sunday?
Day | Number of muffins sold |
Monday to Friday | 7m per day |
Saturday | m + 27 |
Sunday | 4m - 7 |