Names | Number of glass bottles |
Victoria | 7 |
Roshel | d |
Grace | 8 + 5 d |
The table shows the number of glass bottles collected by 3 children.
- Find the total number of glass bottles Victoria, Roshel and Grace collected. Express the answer in terms of d in the simplest form.
- If d = 5, find the average number of glass bottles the 3 children collected.