Names | Number of plastic bottles |
Noah | 7 |
Owen | s |
Scarlett | 8 + 8 s |
The table shows the number of plastic bottles collected by 3 students.
- Find the total number of plastic bottles Noah, Owen and Scarlett collected. Express the answer in terms of s in the simplest form.
- If s = 9, find the average number of plastic bottles the 3 students collected.