Names | Number of cardboard |
Matthew | 9 |
Joshua | h |
Abigail | 3 + 2 h |
The table shows the number of cardboard collected by 3 students.
- Find the total number of cardboard Matthew, Joshua and Abigail collected. Express the answer in terms of h in the simplest form.
- If h = 4, find the average number of cardboard the 3 students collected.