Names | Number of plastic bottles |
Zoe | 7 |
Benjamin | k |
Audrey | 8 + 2 k |
The table shows the number of plastic bottles collected by 3 children.
- Find the total number of plastic bottles Zoe, Benjamin and Audrey collected. Express the answer in terms of k in the simplest form.
- If k = 5, find the average number of plastic bottles the 3 children collected.