Names | Number of plastic bottles |
Ava | 7 |
Ella | c |
Henry | 2 + 7 c |
The table shows the number of plastic bottles collected by 3 children.
- Find the total number of plastic bottles Ava, Ella and Henry collected. Express the answer in terms of c in the simplest form.
- If c = 3, find the average number of plastic bottles the 3 children collected.