Names | Number of plastic bottles |
Samuel | 6 |
Jayden | f |
Rael | 6 + 6 f |
The table shows the number of plastic bottles collected by 3 students.
- Find the total number of plastic bottles Samuel, Jayden and Rael collected. Express the answer in terms of f in the simplest form.
- If f = 3, find the average number of plastic bottles the 3 students collected.