Names | Number of tin cans |
Olivia | 3 |
Ethan | s |
Isaiah | 2 + 6 s |
The table shows the number of tin cans collected by 3 students.
- Find the total number of tin cans Olivia, Ethan and Isaiah collected. Express the answer in terms of s in the simplest form.
- If s = 7, find the average number of tin cans the 3 students collected.