One size of cardboard can be purchased in sheets that are o inch thick. The
sheets of cardboard are stacked on top of each other in packages. The height of
each stack is 2 inches
2 1/4
Use the model of a ruler to determine the number of sheets of cardboard in a
stack.
Explain how you used the model to find your answer.
Write an expression that can be used to determine the number of sheets of
cardboard in a stack.
Explain how your expression relates to the model.