Names | Number of glass bottles |
Lucas | 7 |
Noah | f |
Aubrey | 5 + 8 f |
The table shows the number of glass bottles collected by 3 students.
- Find the total number of glass bottles Lucas, Noah and Aubrey collected. Express the answer in terms of f in the simplest form.
- If f = 9, find the average number of glass bottles the 3 students collected.