So get rid of them. At one point in my life, a long time ago, things could be purchased for a penny. That time has long passed. Now pennies are used just to make the math work out. Round everything up a nickel ($0.05) and call it a day.
Or look at it another way: inflation has made the nickel from my youth into today's penny.
Or look at it another way: inflation has made the nickel from my youth into today's penny.