Buying Stamps Hints

Organized list: Start with one quarter and work your way up to $4.50. Be sure to always have 25 items.

Guess and Check:

Keep an organized list of your guesses and tweek them to find an answer.

Find a Pattern:

Look at your answers and find a pattern. How many 15 cent stamps can you trade for a bunch of 25 cent stamps?

Great Extension:

If you did not know that she sent 25 items there would be 6 answers to this POW. Can you find all 6?