Names | Number of cardboard |
Claire | 2 |
Raeann | m |
Joseph | 7 + 7 m |
The table shows the number of cardboard collected by 3 students.
- Find the total number of cardboard Claire, Raeann and Joseph collected. Express the answer in terms of m in the simplest form.
- If m = 9, find the average number of cardboard the 3 students collected.