Names | Number of cardboard |
Elijah | 8 |
Luke | x |
Victoria | 4 + 5 x |
The table shows the number of cardboard collected by 3 students.
- Find the total number of cardboard Elijah, Luke and Victoria collected. Express the answer in terms of x in the simplest form.
- If x = 7, find the average number of cardboard the 3 students collected.