Names | Number of cardboard |
Jacob | 4 |
Liam | y |
Evelyn | 3 + 9 y |
The table shows the number of cardboard collected by 3 students.
- Find the total number of cardboard Jacob, Liam and Evelyn collected. Express the answer in terms of y in the simplest form.
- If y = 8, find the average number of cardboard the 3 students collected.