Names | Number of tin cans |
Risa | 4 |
Luke | c |
Roshel | 5 + 5 c |
The table shows the number of tin cans collected by 3 children.
- Find the total number of tin cans Risa, Luke and Roshel collected. Express the answer in terms of c in the simplest form.
- If c = 3, find the average number of tin cans the 3 children collected.