Names | Number of cardboard |
Dylan | 5 |
Evan | t |
Claire | 2 + 4 t |
The table shows the number of cardboard collected by 3 pupils.
- Find the total number of cardboard Dylan, Evan and Claire collected. Express the answer in terms of t in the simplest form.
- If t = 7, find the average number of cardboard the 3 pupils collected.