Names | Number of cardboard |
Layla | 2 |
Liam | x |
Abigail | 4 + 9 x |
The table shows the number of cardboard collected by 3 pupils.
- Find the total number of cardboard Layla, Liam and Abigail collected. Express the answer in terms of x in the simplest form.
- If x = 6, find the average number of cardboard the 3 pupils collected.