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Example: Simplify WP

Easton bought eighteen 49-cent stamps for first-class letters and a book of twenty 34-cent stamps for postcards. So far, he has used f 49-cent stamps and p 34-cent stamps. Write a simplified expression for the total value in cents of all the stamps Easton has left.
  1. Write an expression with parentheses that represents the value of all the stamps Easton has left.
  2. Distribute as needed.
  3. Combine like terms.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit for more information on their resources.