# Pencil, Pen, and Notebook

## Opening

# Pencil, Pen, and Notebook

A pencil costs 50 cents less than a notebook.

A pen costs 3 times as much as a pencil.

A pen costs 90 cents.

- Let
*x*= the cost of the notebook. What does the notebook cost? - Review each equation in the table. Does it represent the situation described above? Select "Yes" or "No" for each.

HANDOUT: Determine the Cost of the Notebook