Names | Number of cardboard |
Violet | 9 |
Ellie | k |
Noah | 3 + 6 k |
The table shows the number of cardboard collected by 3 students.
- Find the total number of cardboard Violet, Ellie and Noah collected. Express the answer in terms of k in the simplest form.
- If k = 6, find the average number of cardboard the 3 students collected.