Names | Number of plastic bottles |
Ella | 8 |
Samantha | w |
Tommy | 7 + 6 w |
The table shows the number of plastic bottles collected by 3 pupils.
- Find the total number of plastic bottles Ella, Samantha and Tommy collected. Express the answer in terms of w in the simplest form.
- If w = 3, find the average number of plastic bottles the 3 pupils collected.