After reading over the story, you may need to reassure the students that two-dollar bills do exist! Also, students may forget about half-dollar and dollar coins, so you may need to remind them that there are six possible coins for the change.
Sandy bought some things at the store and paid with a two-dollar bill. The change was five coins, but none of the coins had the same value as any other coin. What could the amount of Sandy’s purchase have been?