Use the table given to answer questions (a) and (b).
- What was the total number of cupcakes sold?
- Express your answer in terms of j in the simplest form. If j = 15, how many more cupcakes were sold on Sunday than on Saturday?
Day | Number of cupcakes sold |
Monday to Friday | 3j per day |
Saturday | j + 23 |
Sunday | 4j - 8 |