Names | Number of tin cans |
Mia | 8 |
Isaac | d |
Layla | 2 + 7 d |
The table shows the number of tin cans collected by 3 children.
- Find the total number of tin cans Mia, Isaac and Layla collected. Express the answer in terms of d in the simplest form.
- If d = 4, find the average number of tin cans the 3 children collected.