Names | Number of tin cans |
Harris | 5 |
Tommy | w |
Ethan | 7 + 7 w |
The table shows the number of tin cans collected by 3 children.
- Find the total number of tin cans Harris, Tommy and Ethan collected. Express the answer in terms of w in the simplest form.
- If w = 6, find the average number of tin cans the 3 children collected.