Names | Number of plastic bottles |
Zoey | 6 |
Mia | z |
Aaron | 8 + 6 z |
The table shows the number of plastic bottles collected by 3 pupils.
- Find the total number of plastic bottles Zoey, Mia and Aaron collected. Express the answer in terms of z in the simplest form.
- If z = 7, find the average number of plastic bottles the 3 pupils collected.