Names | Number of tin cans |
Evan | 4 |
Zoey | s |
Levi | 9 + 9 s |
The table shows the number of tin cans collected by 3 pupils.
- Find the total number of tin cans Evan, Zoey and Levi collected. Express the answer in terms of s in the simplest form.
- If s = 5, find the average number of tin cans the 3 pupils collected.