Names | Number of tin cans |
Maya | 8 |
Harper | r |
Andrew | 7 + 2 r |
The table shows the number of tin cans collected by 3 students.
- Find the total number of tin cans Maya, Harper and Andrew collected. Express the answer in terms of r in the simplest form.
- If r = 6, find the average number of tin cans the 3 students collected.