Names | Number of glass bottles |
Natalie | 3 |
Avery | t |
Henry | 9 + 2 t |
The table shows the number of glass bottles collected by 3 children.
- Find the total number of glass bottles Natalie, Avery and Henry collected. Express the answer in terms of t in the simplest form.
- If t = 10, find the average number of glass bottles the 3 children collected.