Use the table given to answer questions (a) and (b).
- What was the total number of wafers sold?
- Express your answer in terms of p in the simplest form. If p = 22, how many more wafers were sold on Sunday than on Saturday?
Day | Number of wafers sold |
Monday to Friday | 3p per day |
Saturday | p + 31 |
Sunday | 4p - 5 |