10. Dan explained that the middle tower is always the same number as the step number. He also pointed out that the two arms on each side of the tower contain one less block than
the step number
Create an equation that fits Dan's way of seeing the relationship.
11. Sarah counted the number of tiles at each step and made a table. She explained that the
number of tiles in each figure was always 3 times the step number minus 2.
step
number
1
2
3
4
5
6
number
of tiles
1
4
10
13
16
Create an equation that fits Sarah's way of seeing the relationship.