Use the table given to answer questions (a) and (b).
- What was the total number of puffs sold?
- Express your answer in terms of w in the simplest form. If w = 23, how many more puffs were sold on Sunday than on Saturday?
Day | Number of puffs sold |
Monday to Friday | 3w per day |
Saturday | w + 38 |
Sunday | 4w - 6 |