Aden records the height of a stack of building blocks as he adds blocks to the top of the stack. The graph shows the height, in inches, based on the number of building blocks in the stack.
Height of Building Blocks Stack
20
18
16
14
12
Total Height (inches)
10
8
6
4
2
5 10 12 16 10 20 X
Building Blocks
Which statement best interprets the unit rate of the situation?
OA. For every 2 blocks added to the stack, the height increases by } of an inch.
Each building block added to the stack increases the height by or an inch.
Oc. Each building block added to the stack increases the height by 2 inches.
ОВ.