Use the table given to answer questions (a) and (b).
- What was the total number of puffs sold?
- Express your answer in terms of y in the simplest form. If y = 29, how many more puffs were sold on Sunday than on Saturday?
Day | Number of puffs sold |
Monday to Friday | 6y per day |
Saturday | y + 38 |
Sunday | 4y - 6 |