Names | Number of glass bottles |
Gavin | 5 |
Christian | k |
Claire | 6 + 4 k |
The table shows the number of glass bottles collected by 3 pupils.
- Find the total number of glass bottles Gavin, Christian and Claire collected. Express the answer in terms of k in the simplest form.
- If k = 5, find the average number of glass bottles the 3 pupils collected.