Names | Number of tin cans |
Zoe | 2 |
Ella | y |
Ethan | 5 + 7 y |
The table shows the number of tin cans collected by 3 students.
- Find the total number of tin cans Zoe, Ella and Ethan collected. Express the answer in terms of y in the simplest form.
- If y = 4, find the average number of tin cans the 3 students collected.