Names | Number of tin cans |
Lily | 3 |
Julie | n |
Elijah | 6 + 7 n |
The table shows the number of tin cans collected by 3 children.
- Find the total number of tin cans Lily, Julie and Elijah collected. Express the answer in terms of n in the simplest form.
- If n = 6, find the average number of tin cans the 3 children collected.