Use the table given to answer questions (a) and (b).
- What was the total number of cupcakes sold?
- Express your answer in terms of z in the simplest form. If z = 18, how many more cupcakes were sold on Sunday than on Saturday?
Day | Number of cupcakes sold |
Monday to Friday | 4z per day |
Saturday | z + 35 |
Sunday | 4z - 5 |