Names | Number of plastic bottles |
Maya | 8 |
Aubrey | y |
Sophia | 4 + 2 y |
The table shows the number of plastic bottles collected by 3 pupils.
- Find the total number of plastic bottles Maya, Aubrey and Sophia collected. Express the answer in terms of y in the simplest form.
- If y = 9, find the average number of plastic bottles the 3 pupils collected.