Names | Number of cardboard |
Elizabeth | 3 |
Matthew | i |
Riordan | 6 + 8 i |
The table shows the number of cardboard collected by 3 pupils.
- Find the total number of cardboard Elizabeth, Matthew and Riordan collected. Express the answer in terms of i in the simplest form.
- If i = 5, find the average number of cardboard the 3 pupils collected.