Names | Number of tin cans |
Grace | 3 |
Isabella | w |
Amelia | 3 + 3 w |
The table shows the number of tin cans collected by 3 children.
- Find the total number of tin cans Grace, Isabella and Amelia 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.