Creating Equations, Tables & Graphs

Sophie’s Book

Work Time

Sophie’s Book

Recall the problem from the video:

Sophie bought a book at the bookstore. The price of the book was $18, and the total amount she paid was $19.08. What percent was the sales tax?

  • Make a table of the relationships and fill in the first few rows.
  • Make a graph that shows the relationship between the price of a book and the total amount paid.

HANDOUT: Sales Tax


  • Try filling in a table of different starting and final amounts that reflect a 6% tax. What stays constant? What varies?
  • Once you have filled in several rows of the table, use the values to create your graph.